Revert of Cancel image loads if decoding failed.

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

Index: third_party/WebKit/Source/platform/graphics/ImageSource.h
diff --git a/third_party/WebKit/Source/platform/graphics/ImageSource.h b/third_party/WebKit/Source/platform/graphics/ImageSource.h
index d813c085e9a4557ab19b92b8b649b2a1e57fa4e0..73bdb7ee103c2ecea92bdd52df9934b647b40457 100644
--- a/third_party/WebKit/Source/platform/graphics/ImageSource.h
+++ b/third_party/WebKit/Source/platform/graphics/ImageSource.h
@@ -27,7 +27,6 @@
 #define ImageSource_h
 
 #include "platform/PlatformExport.h"
-#include "platform/graphics/DeferredImageDecoder.h"
 #include "platform/graphics/ImageOrientation.h"
 #include "wtf/Forward.h"
 #include "wtf/Noncopyable.h"
@@ -37,6 +36,7 @@
 
 namespace blink {
 
+class DeferredImageDecoder;
 class ImageOrientation;
 class IntPoint;
 class IntSize;
@@ -70,7 +70,7 @@
     size_t clearCacheExceptFrame(size_t);
 
     PassRefPtr<SharedBuffer> data();
-    ImageDecoder::SniffResult setData(SharedBuffer& data, bool allDataReceived);
+    void setData(SharedBuffer& data, bool allDataReceived);
     String filenameExtension() const;
 
     bool isSizeAvailable();