Unify Resource loading status tracking

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

Index: third_party/WebKit/Source/core/fetch/ImageResource.h
diff --git a/third_party/WebKit/Source/core/fetch/ImageResource.h b/third_party/WebKit/Source/core/fetch/ImageResource.h
index d4b92c4df7b555ca0216507b572265f45eb4a549..db8c6abf680b25e6e1f25d513f8593a089d87b8a 100644
--- a/third_party/WebKit/Source/core/fetch/ImageResource.h
+++ b/third_party/WebKit/Source/core/fetch/ImageResource.h
@@ -64,8 +64,6 @@ public:
 
     ~ImageResource() override;
 
-    void load(ResourceFetcher*) override;
-
     blink::Image* getImage(); // Returns the nullImage() if the image is not available yet.
     bool hasImage() const { return m_image.get(); }
 
@@ -107,7 +105,6 @@ public:
     bool shouldIgnoreHTTPStatusCodeErrors() const override { return true; }
 
     bool isImage() const override { return true; }
-    bool stillNeedsLoad() const override { return !errorOccurred() && getStatus() == Unknown && !isLoading(); }
 
     // ImageObserver
     void decodedSizeChanged(const blink::Image*, int delta) override;