[ImageResource 4] Split ImageResource into Resource and Image parts

third_party/WebKit/Source/core/fetch/ImageResourceObserver.h

Index: third_party/WebKit/Source/core/fetch/ImageResourceObserver.h
diff --git a/third_party/WebKit/Source/core/fetch/ImageResourceObserver.h b/third_party/WebKit/Source/core/fetch/ImageResourceObserver.h
index e70f18c712c341627a9fa83a95f4b0f4a2782f1e..7a6922f99bb10d2cfd4945aad38e59bcfd48d692 100644
--- a/third_party/WebKit/Source/core/fetch/ImageResourceObserver.h
+++ b/third_party/WebKit/Source/core/fetch/ImageResourceObserver.h
@@ -30,7 +30,7 @@
 
 namespace blink {
 
-class ImageResource;
+class ImageResourceContent;
 class IntRect;
 
 class CORE_EXPORT ImageResourceObserver {
@@ -40,11 +40,11 @@ class CORE_EXPORT ImageResourceObserver {
   // Called whenever a frame of an image changes, either because we got more
   // data from the network or because we are animating. If not null, the IntRect
   // is the changed rect of the image.
-  virtual void imageChanged(ImageResource*, const IntRect* = 0) {}
+  virtual void imageChanged(ImageResourceContent*, const IntRect* = 0) {}
 
   // Called just after imageChanged() if all image data is received or errored.
   // TODO(hiroshige): Merge imageNotifyFinished() into imageChanged().
-  virtual void imageNotifyFinished(ImageResource*) {}
+  virtual void imageNotifyFinished(ImageResourceContent*) {}
 
   // Called to find out if this client wants to actually display the image. Used
   // to tell when we can halt animation. Content nodes that hold image refs for