2D Canvas: Refactor code re-attempting to allocate an imageBuffer.

Source/core/html/HTMLCanvasElement.h

Index: Source/core/html/HTMLCanvasElement.h
diff --git a/Source/core/html/HTMLCanvasElement.h b/Source/core/html/HTMLCanvasElement.h
index 05289b0c3792af29aa3ef3693e10f9d9455faa12..e2ab7f1e7fab524d76664ea0931069121c77e947 100644
--- a/Source/core/html/HTMLCanvasElement.h
+++ b/Source/core/html/HTMLCanvasElement.h
@@ -126,8 +126,6 @@ public:
 
     bool is3D() const;
 
-    bool hasCreatedImageBuffer() const { return m_hasCreatedImageBuffer; }
-
     bool shouldAccelerate(const IntSize&) const;
 
     float deviceScaleFactor() const { return m_deviceScaleFactor; }
@@ -170,7 +168,6 @@ private:
     bool m_originClean;
 
     // m_createdImageBuffer means we tried to malloc the buffer.  We didn't necessarily get it.

[aandrey, 2013/10/25 20:03:35]

is this comment still relevant?

-    mutable bool m_hasCreatedImageBuffer;
     mutable bool m_didClearImageBuffer;
     OwnPtr<ImageBuffer> m_imageBuffer;
     mutable OwnPtr<GraphicsContextStateSaver> m_contextStateSaver;