Add rendering context and rendering 2D context to OffscreenCanvas

third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h

Index: third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
diff --git a/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h b/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
index c798c97ebba90cb6bdf5a8114c073bd5bba64662..d2f84fe971dbaeebdf5d590198a770f295fa7b49 100644
--- a/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
+++ b/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
@@ -28,7 +28,6 @@
 
 #include "core/CoreExport.h"
 #include "core/html/HTMLCanvasElement.h"
-#include "platform/heap/Handle.h"
 #include "wtf/HashSet.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/text/StringHash.h"
@@ -44,8 +43,8 @@ class HTMLCanvasElement;
 class ImageData;
 
 class CORE_EXPORT CanvasRenderingContext : public NoBaseWillBeGarbageCollectedFinalized<CanvasRenderingContext>, public ScriptWrappable {
-    WTF_MAKE_NONCOPYABLE(CanvasRenderingContext);
-    USING_FAST_MALLOC_WILL_BE_REMOVED(CanvasRenderingContext);
+WTF_MAKE_NONCOPYABLE(CanvasRenderingContext);
+USING_FAST_MALLOC_WILL_BE_REMOVED(CanvasRenderingContext);
 public:
     virtual ~CanvasRenderingContext() { }
 
@@ -126,7 +125,6 @@ public:
 protected:
     CanvasRenderingContext(HTMLCanvasElement*);
     DECLARE_VIRTUAL_TRACE();
-
     virtual void stop() = 0;
 
 private: