Notifications: Split up image loading histograms by image type

third_party/WebKit/Source/modules/notifications/NotificationResourcesLoader.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 NotificationResourcesLoader_h
 #define NotificationResourcesLoader_h
 
 #include "modules/ModulesExport.h"
 #include "modules/notifications/NotificationImageLoader.h"
 #include "platform/heap/GarbageCollected.h"
@@ skipping 38 matching lines @@
   std::unique_ptr<WebNotificationResources> getResources() const;
 
   // Stops every loader in |m_imageLoaders|. This is also used as the
   // pre-finalizer.
   void stop();
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   void loadImage(ExecutionContext*,
+                 NotificationImageLoader::Type,
                  const KURL&,
                  std::unique_ptr<NotificationImageLoader::ImageCallback>);
   void didLoadImage(const SkBitmap& image);
   void didLoadIcon(const SkBitmap& image);
   void didLoadBadge(const SkBitmap& image);
   void didLoadActionIcon(size_t actionIndex, const SkBitmap& image);
 
   // Decrements |m_pendingRequestCount| and runs |m_completionCallback| if
   // there are no more pending requests.
   void didFinishRequest();
 
   bool m_started;
   std::unique_ptr<CompletionCallback> m_completionCallback;
   int m_pendingRequestCount;
   HeapVector<Member<NotificationImageLoader>> m_imageLoaders;
   SkBitmap m_image;
   SkBitmap m_icon;
   SkBitmap m_badge;
   Vector<SkBitmap> m_actionIcons;
 };
 
 }  // namespace blink
 
 #endif  // NotificationResourcesLoader_h