Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/ScrollbarThemeOverlay.h

Index: Source/core/platform/ScrollbarThemeOverlay.h
diff --git a/Source/core/platform/ScrollbarThemeOverlay.h b/Source/core/platform/ScrollbarThemeOverlay.h
deleted file mode 100644
index 0a7e2d1639d5258a85f3e06897b89e4a34217a94..0000000000000000000000000000000000000000
--- a/Source/core/platform/ScrollbarThemeOverlay.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2011 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef ScrollbarThemeOverlay_h
-#define ScrollbarThemeOverlay_h
-
-#include "core/platform/ScrollbarTheme.h"
-
-namespace WebCore {
-
-// This scrollbar theme is used to get overlay scrollbar for platforms other
-// than Mac. Mac's overlay scrollbars are in ScrollbarThemeMac*.
-class ScrollbarThemeOverlay : public ScrollbarTheme {
-public:
-    enum HitTestBehavior { AllowHitTest, DisallowHitTest };
-
-    ScrollbarThemeOverlay(int thumbThickness, int scrollbarMargin, HitTestBehavior, Color = Color(128, 128, 128, 128));
-    virtual ~ScrollbarThemeOverlay() { }
-
-    virtual int scrollbarThickness(ScrollbarControlSize) OVERRIDE;
-    virtual bool usesOverlayScrollbars() const OVERRIDE;
-
-    virtual int thumbPosition(ScrollbarThemeClient*) OVERRIDE;
-    virtual int thumbLength(ScrollbarThemeClient*) OVERRIDE;
-
-    virtual bool hasButtons(ScrollbarThemeClient*) OVERRIDE { return false; };
-    virtual bool hasThumb(ScrollbarThemeClient*) OVERRIDE;
-
-    virtual IntRect backButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false) OVERRIDE;
-    virtual IntRect forwardButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false) OVERRIDE;
-    virtual IntRect trackRect(ScrollbarThemeClient*, bool painting = false) OVERRIDE;
-    virtual int thumbThickness(ScrollbarThemeClient*) OVERRIDE;
-
-    virtual void paintThumb(GraphicsContext*, ScrollbarThemeClient*, const IntRect&) OVERRIDE;
-    virtual ScrollbarPart hitTest(ScrollbarThemeClient*, const IntPoint&) OVERRIDE;
-
-private:
-    int m_thumbThickness;
-    int m_scrollbarMargin;
-    HitTestBehavior m_allowHitTest;
-    Color m_color;
-};
-
-} // namespace WebCore
-
-#endif