[IR3] Introduce ImageResource::updateImage()

third_party/WebKit/Source/core/loader/resource/ImageResource.h

Index: third_party/WebKit/Source/core/loader/resource/ImageResource.h
diff --git a/third_party/WebKit/Source/core/loader/resource/ImageResource.h b/third_party/WebKit/Source/core/loader/resource/ImageResource.h
index 3872761ac4bf6f0448d118f47e8bff1a1a5c7a16..c479c2db69555c30dafec3477a98e56fa5bf88f3 100644
--- a/third_party/WebKit/Source/core/loader/resource/ImageResource.h
+++ b/third_party/WebKit/Source/core/loader/resource/ImageResource.h
@@ -25,6 +25,7 @@
 
 #include "core/CoreExport.h"
 #include "core/fetch/Resource.h"
+#include "core/loader/resource/ImageResourceContent.h"
 #include "core/loader/resource/ImageResourceInfo.h"
 #include "core/loader/resource/MultipartImageResourceParser.h"
 #include "platform/Timer.h"
@@ -123,6 +124,9 @@ class CORE_EXPORT ImageResource final
   bool hasClientsOrObservers() const override;
 
   void updateImageAndClearBuffer();
+  void updateImage(PassRefPtr<SharedBuffer>,
+                   ImageResourceContent::UpdateImageOption,
+                   bool allDataReceived);
 
   void checkNotify() override;