Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/OpaqueRectTrackingContentLayerDelegate.h

Index: Source/core/platform/graphics/OpaqueRectTrackingContentLayerDelegate.h
diff --git a/Source/core/platform/graphics/OpaqueRectTrackingContentLayerDelegate.h b/Source/core/platform/graphics/OpaqueRectTrackingContentLayerDelegate.h
deleted file mode 100644
index 8aece8762d5426a22d03a96e7a32b9487de01f5b..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/OpaqueRectTrackingContentLayerDelegate.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright (C) 2012 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 INC. 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 INC. 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 OpaqueRectTrackingContentLayerDelegate_h
-#define OpaqueRectTrackingContentLayerDelegate_h
-
-#include "public/platform/WebContentLayerClient.h"
-#include "wtf/Noncopyable.h"
-#include "wtf/PassOwnPtr.h"
-
-class SkCanvas;
-
-namespace WebCore {
-
-class GraphicsContext;
-class IntRect;
-
-class GraphicsContextPainter {
-public:
-    virtual void paint(GraphicsContext&, const IntRect& clip) = 0;
-
-protected:
-    virtual ~GraphicsContextPainter() { }
-};
-
-class OpaqueRectTrackingContentLayerDelegate : public blink::WebContentLayerClient {
-    WTF_MAKE_NONCOPYABLE(OpaqueRectTrackingContentLayerDelegate);
-public:
-    explicit OpaqueRectTrackingContentLayerDelegate(GraphicsContextPainter*);
-    virtual ~OpaqueRectTrackingContentLayerDelegate();
-
-    // If we know that everything that will be painted through this delegate, then we don't bother
-    // tracking opaqueness.
-    void setOpaque(bool opaque) { m_opaque = opaque; }
-
-    // blink::WebContentLayerClient implementation.
-    virtual void paintContents(SkCanvas*, const blink::WebRect& clip, bool canPaintLCDText, blink::WebFloatRect& opaque) OVERRIDE;
-
-private:
-    GraphicsContextPainter* m_painter;
-    bool m_opaque;
-};
-
-}
-
-#endif // OpaqueRectTrackingContentLayerDelegate_h