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

third_party/WebKit/Source/core/loader/resource/ImageResourceInfo.h

Index: third_party/WebKit/Source/core/loader/resource/ImageResourceInfo.h
diff --git a/third_party/WebKit/Source/core/loader/resource/ImageResourceInfo.h b/third_party/WebKit/Source/core/loader/resource/ImageResourceInfo.h
index 70f787b7461e36655e94b026afe7edaf98463a34..2996e2b39d226aac70b19011dbae013d75e4cb0c 100644
--- a/third_party/WebKit/Source/core/loader/resource/ImageResourceInfo.h
+++ b/third_party/WebKit/Source/core/loader/resource/ImageResourceInfo.h
@@ -28,14 +28,12 @@ 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;
   enum DoesCurrentFrameHaveSingleSecurityOrigin {
     HasMultipleSecurityOrigin,
     HasSingleSecurityOrigin
@@ -50,6 +48,10 @@ class CORE_EXPORT ImageResourceInfo : public GarbageCollectedMixin {
   // (if any) DecodeError and finishes loading.
   virtual void decodeError(bool allDataReceived) = 0;
 
+  // Returns true if reloading is started.
+  virtual bool reloadIfLoFiOrPlaceholderIfNeeded(
+      ResourceFetcher* fetcherForReload) = 0;
+
   // TODO(hiroshige): Remove this once MemoryCache becomes further weaker.
   virtual void setDecodedSize(size_t) = 0;
 
@@ -63,6 +65,9 @@ class CORE_EXPORT ImageResourceInfo : public GarbageCollectedMixin {
       const KURL&,
       const AtomicString& initiatorName) = 0;
 
+  // Only for tests.
+  virtual const ImageResource* resourceForTest() const = 0;
+
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 };