Merge remote branch 'qt/4.6' into qt-master-from-4.6

Conflicts:
	src/gui/kernel/qcocoapanel_mac.mm
	src/gui/kernel/qcocoasharedwindowmethods_mac_p.h

9 files changed, 218 insertions, 59 deletions

diff --git a/src/3rdparty/phonon/ds9/videowidget.cpp b/src/3rdparty/phonon/ds9/videowidget.cpp
index 1eddaee..09d42a4 100644
--- a/src/3rdparty/phonon/ds9/videowidget.cpp
+++ b/src/3rdparty/phonon/ds9/videowidget.cpp
@@ -223,6 +223,9 @@ namespace Phonon
             if (toNative && m_noNativeRendererSupported)
                 return current; //no switch here
 
+            if (!mediaObject())
+                return current;
+
             //firt we delete the renderer
             //initialization of the widgets
             for(int i = 0; i < FILTER_COUNT; ++i) {
diff --git a/src/3rdparty/phonon/mmf/environmentalreverb.cpp b/src/3rdparty/phonon/mmf/environmentalreverb.cpp
index 4a6ce29..d4f5223 100644
--- a/src/3rdparty/phonon/mmf/environmentalreverb.cpp
+++ b/src/3rdparty/phonon/mmf/environmentalreverb.cpp
@@ -139,77 +139,68 @@ bool EnvironmentalReverb::getParameters(CMdaAudioOutputStream *stream,
         TInt32 min, max;
         TUint32 umin, umax;
 
-        // DecayHFRatio
-	// Ratio of high-frequency decay time to the value specified by
-	// DecayTime.
         effect->DecayHFRatioRange(umin, umax);
+        //: DecayHFRatio: Ratio of high-frequency decay time to the value specified by
+        //: DecayTime.
         parameters.append(createParameter(
             DecayHFRatio, tr("Decay HF ratio (%)"), effect->DecayHFRatio(),
             umin, umax));
 
-        // DecayTime
-	// Time over which reverberation is diminished.
         effect->DecayTimeRange(umin, umax);
+        //: DecayTime: Time over which reverberation is diminished.
         parameters.append(createParameter(
             DecayTime, tr("Decay time (ms)"), effect->DecayTime(),
             umin, umax));
 
-        // Density
-	// Delay between first and subsequent reflections.
-	// Note that the S60 platform documentation does not make clear
-	// the distinction between this value and the Diffusion value.
+        //: Density Delay between first and subsequent reflections.
+        //: Note that the S60 platform documentation does not make clear
+        //: the distinction between this value and the Diffusion value.
         parameters.append(createParameter(
             Density, tr("Density (%)"), effect->Density(), 0, 100));
 
-        // Diffusion
-	// Delay between first and subsequent reflections.
-	// Note that the S60 platform documentation does not make clear
-	// the distinction between this value and the Density value.
+        //: Diffusion: Delay between first and subsequent reflections.
+        //: Note that the S60 platform documentation does not make clear
+        //: the distinction between this value and the Density value.
         parameters.append(createParameter(
             Diffusion, tr("Diffusion (%)"), effect->Diffusion(), 0, 100));
 
-        // ReflectionsDelay
-	// Amount of delay between the arrival the direct path from the
-	// source and the arrival of the first reflection.
+        //: ReflectionsDelay: Amount of delay between the arrival the direct
+        //: path from the source and the arrival of the first reflection.
         parameters.append(createParameter(
             ReflectionsDelay, tr("Reflections delay (ms)"),
             effect->ReflectionsDelay(), 0, effect->ReflectionsDelayMax()));
 
-        // ReflectionsLevel
-	// Amplitude of reflections.  This value is corrected by the RoomLevel
-        // to give the final reflection amplitude.
-	effect->ReflectionLevelRange(min, max);
+        effect->ReflectionLevelRange(min, max);
+        //: ReflectionsLevel: Amplitude of reflections. This value is
+        //: corrected by the RoomLevel to give the final reflection amplitude.
         parameters.append(createParameter(
             ReflectionsLevel, tr("Reflections level (mB)"),
             effect->ReflectionsLevel(),
             min, max, EffectParameter::LogarithmicHint));
 
-        // ReverbDelay
-	// Amount of time between arrival of the first reflection and start of
-	// the late reverberation.
+        //: ReverbDelay: Amount of time between arrival of the first
+        //: reflection and start of the late reverberation.
         parameters.append(createParameter(
             ReverbDelay, tr("Reverb delay (ms)"), effect->ReverbDelay(),
             0, effect->ReverbDelayMax()));
 
-        // ReverbLevel
-	// Amplitude of reverberations.  This value is corrected by the
-	// RoomLevel to give the final reverberation amplitude.
         effect->ReverbLevelRange(min, max);
+        //: ReverbLevel Amplitude of reverberations.  This value is
+        //: corrected by the RoomLevel to give the final reverberation
+        //: amplitude.
         parameters.append(createParameter(
             ReverbLevel, tr("Reverb level (mB)"), effect->ReverbLevel(),
             min, max, EffectParameter::LogarithmicHint));
 
-        // RoomHFLevel
-	// Amplitude of low-pass filter used to attenuate the high frequency
-	// component of reflected sound.
         effect->RoomHFLevelRange(min, max);
+        //: RoomHFLevel: Amplitude of low-pass filter used to attenuate the
+        //: high frequency component of reflected sound.
         parameters.append(createParameter(
             RoomHFLevel, tr("Room HF level"), effect->RoomHFLevel(),
             min, max));
 
-        // RoomLevel
-	// Master volume control for all reflected sound.
         effect->RoomLevelRange(min, max);
+        //: RoomLevel: Master volume control for all reflected sound.
         parameters.append(createParameter(
             RoomLevel, tr("Room level (mB)"), effect->RoomLevel(),
             min, max, EffectParameter::LogarithmicHint));
diff --git a/src/3rdparty/s60/eiksoftkeyimage.h b/src/3rdparty/s60/eiksoftkeyimage.h
new file mode 100644
index 0000000..84f6108a
--- /dev/null
+++ b/src/3rdparty/s60/eiksoftkeyimage.h
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Changes cba button's label to image.
+*
+*/
+
+#ifndef EIKSOFTKEYIMAGE_H
+#define EIKSOFTKEYIMAGE_H
+
+// FORWARD DECLARATIONS
+class CEikButtonGroupContainer;
+
+// CLASS DECLARATION
+
+/**
+*  Changes cba button's label to image.
+*
+*  @lib EIKCOCTL
+*  @since 2.0
+*/
+class EikSoftkeyImage
+    {
+    public:
+
+        /**
+        * Set image to cba button by replacing label
+        * @since 2.0
+        * @param aButtonGroupContainer Button container
+        * @param aImage Image to button,
+        *               Takes Images ownership
+        * @param aLeft  Boolean: left or right button.
+        *                        If true, then change left,
+        *                        if false, change right
+        */
+        IMPORT_C static void SetImage(CEikButtonGroupContainer* aButtonGroupContainer, CEikImage& aImage, TBool aLeft);
+
+        /**
+        * Change to cba button image back to label
+        * @since 2.0
+        * @param aButtonGroupContainer Button container
+        * @param aLeft Boolean: left or right button.
+        *                        If true, then change left,
+        *                        if false, change right
+        */
+        IMPORT_C static void SetLabel(CEikButtonGroupContainer* aButtonGroupContainer, TBool aLeft);
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        EikSoftkeyImage() {};
+
+
+    };
+
+#endif      // EIKSOFTKEYIMAGE_H
+
+// End of File
+
diff --git a/src/3rdparty/webkit/VERSION b/src/3rdparty/webkit/VERSION
index c304876..4348cbc 100644
--- a/src/3rdparty/webkit/VERSION
+++ b/src/3rdparty/webkit/VERSION
@@ -8,4 +8,4 @@ The commit imported was from the
 
 and has the sha1 checksum
 
-        69dd29fbeb12d076741dce70ac6bc155101ccd6f
+        da5d96a26e80162027bc95ce7e5725fe4b277ff7
diff --git a/src/3rdparty/webkit/WebCore/ChangeLog b/src/3rdparty/webkit/WebCore/ChangeLog
index 18d119a..1f6f290 100644
--- a/src/3rdparty/webkit/WebCore/ChangeLog
+++ b/src/3rdparty/webkit/WebCore/ChangeLog
@@ -2,6 +2,44 @@
 
         Reviewed by Kenneth Rohde Christiansen.
 
+        [Qt] In the StyledPainter determine the style from the Render and Scrollbar theme instead of from the paint device
+        https://bugs.webkit.org/show_bug.cgi?id=34054
+
+        Getting the style from the painter's paint device is a hack that breaks when
+        the paint device's style is different than the style that is used when
+        calculating the metries earlier when there is no painter available.
+
+        This change moves us closer to always using the same style.
+
+        * platform/qt/RenderThemeQt.cpp:
+        (WebCore::StylePainter::StylePainter):
+        (WebCore::StylePainter::init):
+        (WebCore::RenderThemeQt::paintButton):
+        (WebCore::RenderThemeQt::paintTextField):
+        (WebCore::RenderThemeQt::paintMenuList):
+        (WebCore::RenderThemeQt::paintMenuListButton):
+        (WebCore::RenderThemeQt::paintSliderTrack):
+        (WebCore::RenderThemeQt::paintMediaMuteButton):
+        (WebCore::RenderThemeQt::paintMediaPlayButton):
+        (WebCore::RenderThemeQt::paintMediaSliderTrack):
+        (WebCore::RenderThemeQt::paintMediaSliderThumb):
+        * platform/qt/RenderThemeQt.h:
+        * platform/qt/ScrollbarThemeQt.cpp:
+        (WebCore::ScrollbarThemeQt::paint):
+        (WebCore::ScrollbarThemeQt::hitTest):
+        (WebCore::ScrollbarThemeQt::shouldCenterOnThumb):
+        (WebCore::ScrollbarThemeQt::scrollbarThickness):
+        (WebCore::ScrollbarThemeQt::thumbLength):
+        (WebCore::ScrollbarThemeQt::trackPosition):
+        (WebCore::ScrollbarThemeQt::trackLength):
+        (WebCore::ScrollbarThemeQt::paintScrollCorner):
+        (WebCore::ScrollbarThemeQt::style):
+        * platform/qt/ScrollbarThemeQt.h:
+
+2010-01-25  Simon Hausmann  <hausmann@webkit.org>
+
+        Reviewed by Kenneth Rohde Christiansen.
+
         [Qt] Use the fallback style on Maemo 5
 
         https://bugs.webkit.org/show_bug.cgi?id=34376
diff --git a/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.cpp b/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.cpp
index 6a1eee8..37a6408 100644
--- a/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.cpp
+++ b/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.cpp
@@ -44,6 +44,7 @@
 #include "Page.h"
 #include "RenderBox.h"
 #include "RenderTheme.h"
+#include "ScrollbarThemeQt.h"
 #include "UserAgentStyleSheets.h"
 #include "QWebPageClient.h"
 #include "qwebpage.h"
@@ -66,17 +67,17 @@ namespace WebCore {
 using namespace HTMLNames;
 
 
-StylePainter::StylePainter(const RenderObject::PaintInfo& paintInfo)
+StylePainter::StylePainter(RenderThemeQt* theme, const RenderObject::PaintInfo& paintInfo)
 {
-    init(paintInfo.context ? paintInfo.context : 0);
+    init(paintInfo.context ? paintInfo.context : 0, theme->qStyle());
 }
 
-StylePainter::StylePainter(GraphicsContext* context)
+StylePainter::StylePainter(ScrollbarThemeQt* theme, GraphicsContext* context)
 {
-    init(context);
+    init(context, theme->style());
 }
 
-void StylePainter::init(GraphicsContext* context)
+void StylePainter::init(GraphicsContext* context, QStyle* themeStyle)
 {
     painter = static_cast<QPainter*>(context->platformContext());
     widget = 0;
@@ -85,7 +86,7 @@ void StylePainter::init(GraphicsContext* context)
         dev = painter->device();
     if (dev && dev->devType() == QInternal::Widget)
         widget = static_cast<QWidget*>(dev);
-    style = (widget ? widget->style() : QApplication::style());
+    style = themeStyle;
 
     if (painter) {
         // the styles often assume being called with a pristine painter where no brush is set,
@@ -464,7 +465,7 @@ void RenderThemeQt::setButtonPadding(RenderStyle* style) const
 
 bool RenderThemeQt::paintButton(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
 {
-    StylePainter p(i);
+    StylePainter p(this, i);
     if (!p.isValid())
        return true;
 
@@ -497,7 +498,7 @@ void RenderThemeQt::adjustTextFieldStyle(CSSStyleSelector*, RenderStyle* style,
 
 bool RenderThemeQt::paintTextField(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
 {
-    StylePainter p(i);
+    StylePainter p(this, i);
     if (!p.isValid())
         return true;
 
@@ -566,7 +567,7 @@ void RenderThemeQt::setPopupPadding(RenderStyle* style) const
 
 bool RenderThemeQt::paintMenuList(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
 {
-    StylePainter p(i);
+    StylePainter p(this, i);
     if (!p.isValid())
         return true;
 
@@ -606,7 +607,7 @@ void RenderThemeQt::adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle* st
 bool RenderThemeQt::paintMenuListButton(RenderObject* o, const RenderObject::PaintInfo& i,
                                         const IntRect& r)
 {
-    StylePainter p(i);
+    StylePainter p(this, i);
     if (!p.isValid())
         return true;
 
@@ -837,7 +838,7 @@ bool RenderThemeQt::paintMediaMuteButton(RenderObject* o, const RenderObject::Pa
     if (!mediaElement)
         return false;
 
-    StylePainter p(paintInfo);
+    StylePainter p(this, paintInfo);
     if (!p.isValid())
         return true;
 
@@ -866,7 +867,7 @@ bool RenderThemeQt::paintMediaPlayButton(RenderObject* o, const RenderObject::Pa
     if (!mediaElement)
         return false;
 
-    StylePainter p(paintInfo);
+    StylePainter p(this, paintInfo);
     if (!p.isValid())
         return true;
 
@@ -905,7 +906,7 @@ bool RenderThemeQt::paintMediaSliderTrack(RenderObject* o, const RenderObject::P
     if (!mediaElement)
         return false;
 
-    StylePainter p(paintInfo);
+    StylePainter p(this, paintInfo);
     if (!p.isValid())
         return true;
 
@@ -932,7 +933,7 @@ bool RenderThemeQt::paintMediaSliderThumb(RenderObject* o, const RenderObject::P
     if (!mediaElement)
         return false;
 
-    StylePainter p(paintInfo);
+    StylePainter p(this, paintInfo);
     if (!p.isValid())
         return true;
 
diff --git a/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.h b/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.h
index 19337ac..13fb42f 100644
--- a/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.h
+++ b/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.h
@@ -35,6 +35,7 @@ namespace WebCore {
 
 class RenderStyle;
 class HTMLMediaElement;
+class ScrollbarThemeQt;
 
 class RenderThemeQt : public RenderTheme {
 private:
@@ -75,6 +76,8 @@ public:
     virtual String extraMediaControlsStyleSheet();
 #endif
 
+    QStyle* qStyle() const;
+
 protected:
     virtual bool paintCheckbox(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r);
     virtual void setCheckboxSize(RenderStyle*) const;
@@ -137,7 +140,6 @@ private:
     void setButtonPadding(RenderStyle*) const;
     void setPopupPadding(RenderStyle*) const;
 
-    QStyle* qStyle() const;
     QStyle* fallbackStyle() const;
 
     Page* m_page;
@@ -152,8 +154,8 @@ private:
 
 class StylePainter {
 public:
-    explicit StylePainter(const RenderObject::PaintInfo& paintInfo);
-    explicit StylePainter(GraphicsContext* context);
+    explicit StylePainter(RenderThemeQt*, const RenderObject::PaintInfo&);
+    explicit StylePainter(ScrollbarThemeQt*, GraphicsContext*);
     ~StylePainter();
 
     bool isValid() const { return painter && style; }
@@ -170,7 +172,7 @@ public:
     { style->drawComplexControl(cc, &opt, painter, widget); }
 
 private:
-    void init(GraphicsContext* context);
+    void init(GraphicsContext* context, QStyle*);
 
     QBrush oldBrush;
     bool oldAntialiasing;
diff --git a/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.cpp b/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.cpp
index 561e55f..c0692ca 100644
--- a/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.cpp
+++ b/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.cpp
@@ -140,7 +140,7 @@ bool ScrollbarThemeQt::paint(Scrollbar* scrollbar, GraphicsContext* graphicsCont
        return false;
     }
 
-    StylePainter p(graphicsContext);
+    StylePainter p(this, graphicsContext);
     if (!p.isValid())
       return true;
 
@@ -172,14 +172,14 @@ ScrollbarPart ScrollbarThemeQt::hitTest(Scrollbar* scrollbar, const PlatformMous
     QStyleOptionSlider* opt = styleOptionSlider(scrollbar);
     const QPoint pos = scrollbar->convertFromContainingWindow(evt.pos());
     opt->rect.moveTo(QPoint(0, 0));
-    QStyle::SubControl sc = QApplication::style()->hitTestComplexControl(QStyle::CC_ScrollBar, opt, pos, 0);
+    QStyle::SubControl sc = style()->hitTestComplexControl(QStyle::CC_ScrollBar, opt, pos, 0);
     return scrollbarPart(sc);
 }
 
 bool ScrollbarThemeQt::shouldCenterOnThumb(Scrollbar*, const PlatformMouseEvent& evt)
 {
     // Middle click centers slider thumb (if supported)
-    return QApplication::style()->styleHint(QStyle::SH_ScrollBar_MiddleClickAbsolutePosition) && evt.button() == MiddleButton;
+    return style()->styleHint(QStyle::SH_ScrollBar_MiddleClickAbsolutePosition) && evt.button() == MiddleButton;
 }
 
 void ScrollbarThemeQt::invalidatePart(Scrollbar* scrollbar, ScrollbarPart)
@@ -190,13 +190,12 @@ void ScrollbarThemeQt::invalidatePart(Scrollbar* scrollbar, ScrollbarPart)
 
 int ScrollbarThemeQt::scrollbarThickness(ScrollbarControlSize controlSize)
 {
-    QStyle* s = QApplication::style();
     QStyleOptionSlider o;
     o.orientation = Qt::Vertical;
     o.state &= ~QStyle::State_Horizontal;
     if (controlSize != RegularScrollbar)
         o.state |= QStyle::State_Mini;
-    return s->pixelMetric(QStyle::PM_ScrollBarExtent, &o, 0);
+    return style()->pixelMetric(QStyle::PM_ScrollBarExtent, &o, 0);
 }
 
 int ScrollbarThemeQt::thumbPosition(Scrollbar* scrollbar)
@@ -209,21 +208,21 @@ int ScrollbarThemeQt::thumbPosition(Scrollbar* scrollbar)
 int ScrollbarThemeQt::thumbLength(Scrollbar* scrollbar)
 {
     QStyleOptionSlider* opt = styleOptionSlider(scrollbar);
-    IntRect thumb = QApplication::style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarSlider, 0);
+    IntRect thumb = style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarSlider, 0);
     return scrollbar->orientation() == HorizontalScrollbar ? thumb.width() : thumb.height();
 }
 
 int ScrollbarThemeQt::trackPosition(Scrollbar* scrollbar)
 {
     QStyleOptionSlider* opt = styleOptionSlider(scrollbar);
-    IntRect track = QApplication::style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarGroove, 0);
+    IntRect track = style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarGroove, 0);
     return scrollbar->orientation() == HorizontalScrollbar ? track.x() - scrollbar->x() : track.y() - scrollbar->y();
 }
 
 int ScrollbarThemeQt::trackLength(Scrollbar* scrollbar)
 {
     QStyleOptionSlider* opt = styleOptionSlider(scrollbar);
-    IntRect track = QApplication::style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarGroove, 0);
+    IntRect track = style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarGroove, 0);
     return scrollbar->orientation() == HorizontalScrollbar ? track.width() : track.height();
 }
 
@@ -237,7 +236,7 @@ void ScrollbarThemeQt::paintScrollCorner(ScrollView* scrollView, GraphicsContext
 #if QT_VERSION < 0x040500
     context->fillRect(rect, QApplication::palette().color(QPalette::Normal, QPalette::Window));
 #else
-    StylePainter p(context);
+    StylePainter p(this, context);
     if (!p.isValid())
         return;
 
@@ -247,5 +246,10 @@ void ScrollbarThemeQt::paintScrollCorner(ScrollView* scrollView, GraphicsContext
 #endif
 }
 
+QStyle* ScrollbarThemeQt::style() const
+{
+    return QApplication::style();
+}
+
 }
 
diff --git a/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.h b/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.h
index 6ca44ea..cf4882d 100644
--- a/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.h
+++ b/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.h
@@ -28,6 +28,12 @@
 
 #include "ScrollbarTheme.h"
 
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_NAMESPACE
+class QStyle;
+QT_END_NAMESPACE
+
 namespace WebCore {
 
 class ScrollbarThemeQt : public ScrollbarTheme {
@@ -49,6 +55,8 @@ public:
     virtual int trackLength(Scrollbar*);
 
     virtual int scrollbarThickness(ScrollbarControlSize = RegularScrollbar);
+
+    QStyle* style() const;
 };
 
 }