Unify sidebar identification in the chrome.experimental.sidebar extension API...

chrome/browser/extensions/extension_sidebar_api.h

 // Copyright (c) 2010 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_EXTENSIONS_EXTENSION_SIDEBAR_API_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SIDEBAR_API_H_
 
 #include <string>
 #include "chrome/browser/extensions/extension_function.h"
 
 class DictionaryValue;
 class Profile;
 class RenderViewHost;
 class TabContents;
 
 namespace extension_sidebar_constants {
 extern const char kActiveState[];
 extern const char kHiddenState[];
 extern const char kShownState[];
 }  // namespace extension_sidebar_constants
 
 // Event router class for events related to the sidebar API.
 class ExtensionSidebarEventRouter {
  public:
   // Sidebar state changed.
   static void OnStateChanged(
-      Profile* profile, int tab_id, const std::string& content_id,
+      Profile* profile, TabContents* tab, const std::string& content_id,
       const std::string& state);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ExtensionSidebarEventRouter);
 };
 
 // Base class for sidebar function APIs.
 class SidebarFunction : public SyncExtensionFunction {
  public:
   virtual bool RunImpl();
@@ skipping 70 matching lines @@
 class ShowSidebarFunction : public SidebarFunction {
  private:
   virtual bool RunImpl(TabContents* tab,
                        const std::string& content_id,
                        const DictionaryValue& details);
   DECLARE_EXTENSION_FUNCTION_NAME("experimental.sidebar.show");
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SIDEBAR_API_H_