Fixing performance issue of creating imagebitmap from ImageData

third_party/WebKit/Source/platform/graphics/UnacceleratedSimpleImageBufferSurface.h

Index: third_party/WebKit/Source/platform/graphics/UnacceleratedSimpleImageBufferSurface.h
diff --git a/third_party/WebKit/Source/platform/graphics/UnacceleratedImageBufferSurface.h b/third_party/WebKit/Source/platform/graphics/UnacceleratedSimpleImageBufferSurface.h
similarity index 81%
copy from third_party/WebKit/Source/platform/graphics/UnacceleratedImageBufferSurface.h
copy to third_party/WebKit/Source/platform/graphics/UnacceleratedSimpleImageBufferSurface.h
index bc1139c1e23027497922aae1bd19948ff6d04559..d337c1c2bca3ff58634b27a7298375f5a244c1db 100644
--- a/third_party/WebKit/Source/platform/graphics/UnacceleratedImageBufferSurface.h
+++ b/third_party/WebKit/Source/platform/graphics/UnacceleratedSimpleImageBufferSurface.h
@@ -28,8 +28,8 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef UnacceleratedImageBufferSurface_h
-#define UnacceleratedImageBufferSurface_h
+#ifndef UnacceleratedSimpleImageBufferSurface_h
+#define UnacceleratedSimpleImageBufferSurface_h
 
 #include "platform/graphics/ImageBufferSurface.h"
 #include "wtf/RefPtr.h"
@@ -38,11 +38,11 @@ class SkSurface;
 
 namespace blink {
 
-class PLATFORM_EXPORT UnacceleratedImageBufferSurface : public ImageBufferSurface {
-    WTF_MAKE_NONCOPYABLE(UnacceleratedImageBufferSurface); WTF_MAKE_FAST_ALLOCATED(UnacceleratedImageBufferSurface);
+class PLATFORM_EXPORT UnacceleratedSimpleImageBufferSurface : public ImageBufferSurface {
+    WTF_MAKE_NONCOPYABLE(UnacceleratedSimpleImageBufferSurface); WTF_MAKE_FAST_ALLOCATED(UnacceleratedSimpleImageBufferSurface);
 public:
-    UnacceleratedImageBufferSurface(const IntSize&, OpacityMode = NonOpaque);
-    ~UnacceleratedImageBufferSurface() override;
+    UnacceleratedSimpleImageBufferSurface(const IntSize&, OpacityMode = NonOpaque);
+    ~UnacceleratedSimpleImageBufferSurface() override;
 
     SkCanvas* canvas() override;
     bool isValid() const override;
@@ -56,3 +56,4 @@ private:
 } // namespace blink
 
 #endif
+