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diff --git a/Source/WebCore/rendering/RenderThemeChromiumLinux.cpp b/Source/WebCore/rendering/RenderThemeChromiumLinux.cpp
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+++ b/Source/WebCore/rendering/RenderThemeChromiumLinux.cpp
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+/*
+ * Copyright (C) 2007 Apple Inc.
+ * Copyright (C) 2007 Alp Toker <alp@atoker.com>
+ * Copyright (C) 2008 Collabora Ltd.
+ * Copyright (C) 2008, 2009 Google Inc.
+ * Copyright (C) 2009 Kenneth Rohde Christiansen
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "RenderThemeChromiumLinux.h"
+
+#include "CSSValueKeywords.h"
+#include "Color.h"
+#include "PlatformThemeChromiumGtk.h"
+#include "RenderObject.h"
+#include "ScrollbarTheme.h"
+#include "UserAgentStyleSheets.h"
+
+namespace WebCore {
+
+unsigned RenderThemeChromiumLinux::m_activeSelectionBackgroundColor =
+    0xff1e90ff;
+unsigned RenderThemeChromiumLinux::m_activeSelectionForegroundColor =
+    Color::black;
+unsigned RenderThemeChromiumLinux::m_inactiveSelectionBackgroundColor =
+    0xffc8c8c8;
+unsigned RenderThemeChromiumLinux::m_inactiveSelectionForegroundColor =
+    0xff323232;
+
+double RenderThemeChromiumLinux::m_caretBlinkInterval;
+
+PassRefPtr<RenderTheme> RenderThemeChromiumLinux::create()
+{
+    return adoptRef(new RenderThemeChromiumLinux());
+}
+
+PassRefPtr<RenderTheme> RenderTheme::themeForPage(Page* page)
+{
+    static RenderTheme* rt = RenderThemeChromiumLinux::create().releaseRef();
+    return rt;
+}
+
+RenderThemeChromiumLinux::RenderThemeChromiumLinux()
+{
+    m_caretBlinkInterval = RenderTheme::caretBlinkInterval();
+}
+
+RenderThemeChromiumLinux::~RenderThemeChromiumLinux()
+{
+}
+
+Color RenderThemeChromiumLinux::systemColor(int cssValueId) const
+{
+    static const Color linuxButtonGrayColor(0xffdddddd);
+
+    if (cssValueId == CSSValueButtonface)
+        return linuxButtonGrayColor;
+    return RenderTheme::systemColor(cssValueId);
+}
+
+String RenderThemeChromiumLinux::extraDefaultStyleSheet()
+{
+    return RenderThemeChromiumSkia::extraDefaultStyleSheet() +
+           String(themeChromiumLinuxUserAgentStyleSheet, sizeof(themeChromiumLinuxUserAgentStyleSheet));
+}
+
+bool RenderThemeChromiumLinux::controlSupportsTints(const RenderObject* o) const
+{
+    return isEnabled(o);
+}
+
+Color RenderThemeChromiumLinux::activeListBoxSelectionBackgroundColor() const
+{
+    return Color(0x28, 0x28, 0x28);
+}
+
+Color RenderThemeChromiumLinux::activeListBoxSelectionForegroundColor() const
+{
+    return Color::black;
+}
+
+Color RenderThemeChromiumLinux::inactiveListBoxSelectionBackgroundColor() const
+{
+    return Color(0xc8, 0xc8, 0xc8);
+}
+
+Color RenderThemeChromiumLinux::inactiveListBoxSelectionForegroundColor() const
+{
+    return Color(0x32, 0x32, 0x32);
+}
+
+Color RenderThemeChromiumLinux::platformActiveSelectionBackgroundColor() const
+{
+    return m_activeSelectionBackgroundColor;
+}
+
+Color RenderThemeChromiumLinux::platformInactiveSelectionBackgroundColor() const
+{
+    return m_inactiveSelectionBackgroundColor;
+}
+
+Color RenderThemeChromiumLinux::platformActiveSelectionForegroundColor() const
+{
+    return m_activeSelectionForegroundColor;
+}
+
+Color RenderThemeChromiumLinux::platformInactiveSelectionForegroundColor() const
+{
+    return m_inactiveSelectionForegroundColor;
+}
+
+void RenderThemeChromiumLinux::adjustSliderThumbSize(RenderObject* o) const
+{
+    // These sizes match the sizes in Chromium Win.
+    const int sliderThumbAlongAxis = 11;
+    const int sliderThumbAcrossAxis = 21;
+    if (o->style()->appearance() == SliderThumbHorizontalPart) {
+        o->style()->setWidth(Length(sliderThumbAlongAxis, Fixed));
+        o->style()->setHeight(Length(sliderThumbAcrossAxis, Fixed));
+    } else if (o->style()->appearance() == SliderThumbVerticalPart) {
+        o->style()->setWidth(Length(sliderThumbAcrossAxis, Fixed));
+        o->style()->setHeight(Length(sliderThumbAlongAxis, Fixed));
+    } else
+        RenderThemeChromiumSkia::adjustSliderThumbSize(o);
+}
+
+bool RenderThemeChromiumLinux::supportsControlTints() const
+{
+    return true;
+}
+
+void RenderThemeChromiumLinux::setCaretBlinkInterval(double interval)
+{
+    m_caretBlinkInterval = interval;
+}
+
+double RenderThemeChromiumLinux::caretBlinkIntervalInternal() const
+{
+    return m_caretBlinkInterval;
+}
+
+void RenderThemeChromiumLinux::setSelectionColors(
+    unsigned activeBackgroundColor,
+    unsigned activeForegroundColor,
+    unsigned inactiveBackgroundColor,
+    unsigned inactiveForegroundColor)
+{
+    m_activeSelectionBackgroundColor = activeBackgroundColor;
+    m_activeSelectionForegroundColor = activeForegroundColor;
+    m_inactiveSelectionBackgroundColor = inactiveBackgroundColor;
+    m_inactiveSelectionForegroundColor = inactiveForegroundColor;
+}
+
+void RenderThemeChromiumLinux::adjustInnerSpinButtonStyle(CSSStyleSelector*, RenderStyle* style, Element*) const
+{
+    int width = ScrollbarTheme::nativeTheme()->scrollbarThickness();
+    style->setWidth(Length(width, Fixed));
+    style->setMinWidth(Length(width, Fixed));
+}
+
+bool RenderThemeChromiumLinux::paintInnerSpinButton(RenderObject* object, const PaintInfo& info, const IntRect& rect)
+{
+    ControlStates northStates = controlStatesForRenderer(object);
+    ControlStates southStates = northStates;
+    if (northStates & SpinUpState)
+        southStates &= ~(HoverState | PressedState);
+    else
+        northStates &= ~(HoverState | PressedState);
+
+    IntRect half = rect;
+    half.setHeight(rect.height() / 2);
+    PlatformThemeChromiumGtk::paintArrowButton(info.context, half, PlatformThemeChromiumGtk::North, northStates);
+
+    half.setY(rect.y() + rect.height() / 2);
+    PlatformThemeChromiumGtk::paintArrowButton(info.context, half, PlatformThemeChromiumGtk::South, southStates);
+    return false;
+}
+
+} // namespace WebCore