Phase II Step 3: Reload LoFi/placeholder images via new ImageResource

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 53082f99cfdd6f0c3e562593b718d7b49fc8d2c2..9e2170604147044821ad13f40c037015841dc96d 100644
--- a/third_party/WebKit/Source/core/loader/resource/ImageResource.h
+++ b/third_party/WebKit/Source/core/loader/resource/ImageResource.h
@@ -70,8 +70,9 @@ class CORE_EXPORT ImageResource final
   ImageResourceContent* getContent();
   const ImageResourceContent* getContent() const;
 
-  void reloadIfLoFiOrPlaceholderImage(ResourceFetcher*,
-                                      ReloadLoFiOrPlaceholderPolicy);
+  ImageResource* reloadIfLoFiOrPlaceholderImage(
+      ResourceFetcher*,
+      ReloadLoFiOrPlaceholderPolicy) override;
 
   void didAddClient(ResourceClient*) override;
 
@@ -129,8 +130,6 @@ class CORE_EXPORT ImageResource final
                    ImageResourceContent::UpdateImageOption,
                    bool allDataReceived);
 
-  void checkNotify() override;
-
   void destroyDecodedDataIfPossible() override;
   void destroyDecodedDataForFailedRevalidation() override;
 
@@ -138,6 +137,8 @@ class CORE_EXPORT ImageResource final
 
   bool shouldReloadBrokenPlaceholder() const;
 
+  void detachContent();
+
   Member<ImageResourceContent> m_content;
 
   // TODO(hiroshige): move |m_devicePixelRatioHeaderValue| and
@@ -150,10 +151,6 @@ class CORE_EXPORT ImageResource final
       MultipartParsingState::WaitingForFirstPart;
   bool m_hasDevicePixelRatioHeaderValue;
 
-  // Indicates if the ImageResource is currently scheduling a reload, e.g.
-  // because reloadIfLoFi() was called.
-  bool m_isSchedulingReload;
-
   // Indicates if this ImageResource is either attempting to load a placeholder
   // image, or is a (possibly broken) placeholder image.
   enum class PlaceholderOption {