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

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

Index: third_party/WebKit/Source/core/fetch/ImageResourceInfo.h
diff --git a/third_party/WebKit/Source/core/fetch/ImageResourceInfo.h b/third_party/WebKit/Source/core/fetch/ImageResourceInfo.h
index 7d5a656e7d3c76f23932dbab0c2f9b405c7683f8..90784423da36a507f319e902c0e6849afb500786 100644
--- a/third_party/WebKit/Source/core/fetch/ImageResourceInfo.h
+++ b/third_party/WebKit/Source/core/fetch/ImageResourceInfo.h
@@ -25,20 +25,22 @@ class CORE_EXPORT ImageResourceInfo : public GarbageCollectedMixin {
  public:
   ~ImageResourceInfo() {}
   virtual const KURL& url() const = 0;
-  virtual bool isSchedulingReload() const = 0;
   virtual bool hasDevicePixelRatioHeaderValue() const = 0;
   virtual float devicePixelRatioHeaderValue() const = 0;
   virtual const ResourceResponse& response() const = 0;
   virtual ResourceStatus getStatus() const = 0;
   virtual bool isPlaceholder() const = 0;
   virtual bool isCacheValidator() const = 0;
-  virtual bool schedulingReloadOrShouldReloadBrokenPlaceholder() const = 0;
+  virtual bool shouldReloadBrokenPlaceholder() const = 0;
   virtual bool isAccessAllowed(
       SecurityOrigin*,
       bool doesCurrentFrameHasSingleSecurityOrigin) const = 0;
   virtual bool hasCacheControlNoStoreHeader() const = 0;
   virtual const ResourceError& resourceError() const = 0;
 
+  // Only for tests.
+  virtual ImageResource* resourceForTest() const = 0;
+
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 
   virtual void decodeError(bool allDataReceived) {}
@@ -49,6 +51,10 @@ class CORE_EXPORT ImageResourceInfo : public GarbageCollectedMixin {
       ResourceFetcher*,
       const KURL&,
       const AtomicString& initiatorName) {}
+  // Returns true if reloading is started.
+  virtual bool reloadIfLoFiOrPlaceholder(ResourceFetcher* fetcherForReload) {
+    return false;
+  }
 };
 
 }  // namespace blink