Add a origin clean flag in ImageBitmap class

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

Index: third_party/WebKit/Source/platform/graphics/GraphicsTypes.h
diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsTypes.h b/third_party/WebKit/Source/platform/graphics/GraphicsTypes.h
index 4f73466c314b24fa0cfd84bd8c1c1f2020085e08..982538929b879a1734d78f8a79e175294847d712 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsTypes.h
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsTypes.h
@@ -89,6 +89,11 @@ enum ImageInitializationMode {
     DoNotInitializeImagePixels,
 };
 
+enum SingleSecurityOriginType {

[Justin Novosad, 2016/01/08 19:08:43]

I would rename this SecurityOriginMode. With values SingleSecurityOrigin and
NoSingleSecurityOrigin.  Also, this definition should be moved to
StaticBitmapImage.h. We only use this file for types that do not have a common
header for all the places that use the type.

+    HasSingleSecurityOrigin,
+    NoSingleSecurityOrigin,
+};
+
 // TODO(junov): crbug.com/453113 relocate ShadowMode to CanvasRenderingContext2DState.h once
 // GraphicsContext no longer uses it.
 enum ShadowMode {