Add ImageResource update bitmap images api

Source/core/fetch/ImageResource.h

Index: Source/core/fetch/ImageResource.h
diff --git a/Source/core/fetch/ImageResource.h b/Source/core/fetch/ImageResource.h
index 2d043a4ebec74982568572d84eeb405f93e2d76c..153ac6ae193c5e68eabfbcb75c08415ff13165dd 100644
--- a/Source/core/fetch/ImageResource.h
+++ b/Source/core/fetch/ImageResource.h
@@ -81,6 +81,8 @@ public:
     LayoutSize imageSizeForRenderer(const RenderObject*, float multiplier, SizeType = NormalSize); // returns the size of the complete image.
     void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio);
 
+    static void updateBitmapImages(HashSet<ImageResource*>&, bool redecodeImages = false);

[pdr., 2014/09/03 03:05:12]

I'm concerned about adding more bitmap-specific codepaths to ImageResource. Do
SVG images not need this?

This doesn't appear to be used in non-test code. Why don't we add it as part of
the patch that uses it?

[pdr., 2014/09/05 07:04:38]

Can you change this to updateBitmapImagesForColorCorrection (or similar)?

+
     bool isAccessAllowed(SecurityOrigin*);
 
     virtual void didAddClient(ResourceClient*) OVERRIDE;