Refactor extension event distribution to use Values instead of JSON strings.

chrome/browser/bookmarks/bookmark_manager_extension_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.
 
 #ifndef CHROME_BROWSER_BOOKMARKS_BOOKMARK_MANAGER_EXTENSION_API_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_MANAGER_EXTENSION_API_H_
 
+#include "base/values.h"
 #include "chrome/browser/bookmarks/bookmark_extension_api.h"
 #include "chrome/browser/bookmarks/bookmark_node_data.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
 
 struct BookmarkNodeData;
 class Profile;
 class TabContents;
 
-namespace base {
-class ListValue;
-}
-
 // Class that handles the chrome.experimental.bookmarkManager events.
 class BookmarkManagerExtensionEventRouter
     : public BookmarkTabHelper::BookmarkDrag {
  public:
   BookmarkManagerExtensionEventRouter(Profile* profile, TabContents* tab);
   virtual ~BookmarkManagerExtensionEventRouter();
 
   // BookmarkTabHelper::BookmarkDrag interface
   virtual void OnDragEnter(const BookmarkNodeData& data) OVERRIDE;
   virtual void OnDragOver(const BookmarkNodeData& data) OVERRIDE;
   virtual void OnDragLeave(const BookmarkNodeData& data) OVERRIDE;
   virtual void OnDrop(const BookmarkNodeData& data) OVERRIDE;
 
   // The bookmark drag and drop data. This gets set after a drop was done on
   // the page. This returns NULL if no data is available.
   const BookmarkNodeData* GetBookmarkNodeData();
 
   // Clears the drag and drop data.
   void ClearBookmarkNodeData();
 
  private:
   // Helper to actually dispatch an event to extension listeners.
-  void DispatchEvent(const char* event_name, const base::ListValue* args);
+  void DispatchEvent(const char* event_name,
+                     scoped_ptr<base::ListValue> args);
 
   void DispatchDragEvent(const BookmarkNodeData& data, const char* event_name);
 
   Profile* profile_;
   TabContents* tab_;
   BookmarkNodeData bookmark_drag_data_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkManagerExtensionEventRouter);
 };
 
@@ skipping 132 matching lines @@
 
  protected:
   virtual ~CanOpenNewWindowsBookmarkFunction() {}
 
   // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
 };
 
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_MANAGER_EXTENSION_API_H_