DO NOT COMMIT: Experimental removal of encoded image data

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 b0038b3e5f0139b08fdd8114700db9ffec88308d..b34f9d7b126fb3a252eafdd8dc4a093652c8648b 100644
--- a/third_party/WebKit/Source/core/fetch/ImageResource.h
+++ b/third_party/WebKit/Source/core/fetch/ImageResource.h
@@ -122,6 +122,7 @@ public:
     bool shouldPauseAnimation(const blink::Image*) override;
     void animationAdvanced(const blink::Image*) override;
     void changedInRect(const blink::Image*, const IntRect&) override;
+    void requireReloading(const blink::Image*) override;
 
     // MultipartImageResourceParser::Client
     void onePartInMultipartReceived(const ResourceResponse&) final;
@@ -170,6 +171,7 @@ private:
 
     void destroyDecodedDataIfPossible() override;
     void destroyDecodedDataForFailedRevalidation() override;
+    void myPrune() override;
 
     float m_devicePixelRatioHeaderValue;