Do not reload in ImageResource::fetch()

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 6ad11afdf18bec6543e30f40563e903c973f9579..53082f99cfdd6f0c3e562593b718d7b49fc8d2c2 100644
--- a/third_party/WebKit/Source/core/loader/resource/ImageResource.h
+++ b/third_party/WebKit/Source/core/loader/resource/ImageResource.h
@@ -79,6 +79,8 @@ class CORE_EXPORT ImageResource final
 
   void allClientsAndObserversRemoved() override;
 
+  bool canReuse(const FetchRequest&) const override;
+
   PassRefPtr<const SharedBuffer> resourceBuffer() const override;
   void appendData(const char*, size_t) override;
   void error(const ResourceError&) override;