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 f5c4d9a5629bf3c182ecde939cd04d0576ab6351..232221ff3a46bc830da2b18222907d81d6a573ad 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*, const ResourceLoaderOptions&) 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;