Final batch adding real histogram values for extension events.

chrome/browser/extensions/api/media_galleries/media_galleries_api.h

 // Copyright (c) 2012 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.
 
 // Defines the Chrome Extensions Media Galleries API functions for accessing
 // user's media files, as specified in the extension API IDL.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_MEDIA_GALLERIES_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_MEDIA_GALLERIES_API_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/browser/media_galleries/gallery_watch_manager_observer.h"
 #include "chrome/browser/media_galleries/media_file_system_registry.h"
 #include "chrome/browser/media_galleries/media_scan_manager_observer.h"
 #include "chrome/common/extensions/api/media_galleries.h"
 #include "chrome/common/media_galleries/metadata_types.h"
 #include "components/storage_monitor/media_storage_util.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
 #include "extensions/browser/event_router.h"
+#include "extensions/browser/extension_event_histogram_value.h"
 
 namespace MediaGalleries = extensions::api::media_galleries;
 
 class MediaGalleriesScanResultController;
 
 namespace content {
 class BlobHandle;
 class WebContents;
 }
 
@@ skipping 30 matching lines @@
   void OnScanCancelled(const std::string& extension_id) override;
   void OnScanFinished(const std::string& extension_id,
                       int gallery_count,
                       const MediaGalleryScanResult& file_counts) override;
   void OnScanError(const std::string& extension_id) override;
 
  private:
   friend class BrowserContextKeyedAPIFactory<MediaGalleriesEventRouter>;
 
   void DispatchEventToExtension(const std::string& extension_id,
+                                events::HistogramValue histogram_value,
                                 const std::string& event_name,
                                 scoped_ptr<base::ListValue> event_args);
 
   explicit MediaGalleriesEventRouter(content::BrowserContext* context);
   ~MediaGalleriesEventRouter() override;
 
   // BrowserContextKeyedAPI implementation.
   static const char* service_name() {
     return "MediaGalleriesAPI";
   }
@@ skipping 266 matching lines @@
   ~MediaGalleriesRemoveAllGalleryWatchFunction() override;
   bool RunAsync() override;
 
  private:
   void OnPreferencesInit();
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_MEDIA_GALLERIES_API_H_