Switch ScriptBadgeController and PageActionController to use WebContents.

chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
@@ skipping 542 matching lines @@
       if (content::Details<WebContents>(contents) != details)
         return;
 
       [field_ updateCursorAndToolTipRects];
       [field_ setNeedsDisplay:YES];
       break;
     }
 
     case chrome::NOTIFICATION_EXTENSION_LOCATION_BAR_UPDATED: {
       // Only update if the updated action box was for the active tab contents.
-      TabContents* target_tab = content::Details<TabContents>(details).ptr();
-      if (target_tab == GetTabContents())
+      WebContents* target_tab = content::Details<WebContents>(details).ptr();
+      if (target_tab == GetTabContents()->web_contents())
         UpdatePageActions();
       break;
     }
 
     case chrome::NOTIFICATION_PREF_CHANGED:
       UpdateStarDecorationVisibility();
       UpdateChromeToMobileEnabled();
       OnChanged();
       break;
 
@@ skipping 167 matching lines @@
 
 void LocationBarViewMac::UpdateStarDecorationVisibility() {
   bool action_box_enabled =
       CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableActionBox);
   // If the action box is enabled, only show the star if it's lit.
   bool visible = IsStarEnabled();
   if (!star_decoration_->starred() && action_box_enabled)
     visible = false;
   star_decoration_->SetVisible(visible);
 }