Phase III Step 2: Call imageNotifyFinished() and image load event after SVG loading completes

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ImageResourceContent_h
 #define ImageResourceContent_h
 
 #include <memory>
 #include "core/CoreExport.h"
 #include "platform/geometry/IntRect.h"
@@ skipping 75 matching lines @@
       RespectImageOrientationEnum should_respect_image_orientation,
       float multiplier,
       SizeType = kIntrinsicSize);
 
   void UpdateImageAnimationPolicy();
 
   void AddObserver(ImageResourceObserver*);
   void RemoveObserver(ImageResourceObserver*);
 
   bool IsSizeAvailable() const {
-    return size_available_ == Image::kSizeAvailable;
+    return size_available_ != Image::kSizeUnavailable;
   }
 
   DECLARE_TRACE();
 
   // Content status and deriving predicates.
   // https://docs.google.com/document/d/1O-fB83mrE0B_V8gzXNqHgmRLCvstTB4MMi3RnVLr8bE/edit#heading=h.6cyqmir0f30h
   // Normal transitions:
   //   kNotStarted -> kPending -> kCached|kLoadError|kDecodeError.
   // Additional transitions in multipart images:
   //   kCached -> kLoadError|kDecodeError.
@@ skipping 75 matching lines @@
   }
 
  private:
   explicit ImageResourceContent(PassRefPtr<blink::Image> = nullptr);
 
   // ImageObserver
   void DecodedSizeChangedTo(const blink::Image*, size_t new_size) override;
   bool ShouldPauseAnimation(const blink::Image*) override;
   void AnimationAdvanced(const blink::Image*) override;
   void ChangedInRect(const blink::Image*, const IntRect&) override;
+  void AsyncLoadCompleted(const blink::Image*) override;
 
   PassRefPtr<Image> CreateImage();
   void ClearImage();
 
   enum NotifyFinishOption { kShouldNotifyFinish, kDoNotNotifyFinish };
 
   // If not null, changeRect is the changed part of the image.
   void NotifyObservers(NotifyFinishOption,
                        const IntRect* change_rect = nullptr);
   void MarkObserverFinished(ImageResourceObserver*);
@@ skipping 23 matching lines @@
   HashCountedSet<ImageResourceObserver*> finished_observers_;
 
 #if DCHECK_IS_ON()
   bool is_update_image_being_called_ = false;
 #endif
 };
 
 }  // namespace blink
 
 #endif