Remove TabContents from TabStripModelObserverBridge.

chrome/browser/ui/cocoa/base_bubble_controller.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/base_bubble_controller.h"
 
 #include "base/logging.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/string_util.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/info_bubble_view.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 @interface BaseBubbleController (Private)
 - (void)updateOriginFromAnchor;
-- (void)activateTabWithContents:(TabContents*)newContents
-               previousContents:(TabContents*)oldContents
+- (void)activateTabWithContents:(content::WebContents*)newContents
+               previousContents:(content::WebContents*)oldContents
                         atIndex:(NSInteger)index
                     userGesture:(bool)wasUserGesture;
 @end
 
 @implementation BaseBubbleController
 
 @synthesize parentWindow = parentWindow_;
 @synthesize anchorPoint = anchor_;
 @synthesize bubble = bubble_;
 
@@ skipping 237 matching lines @@
       break;
 
     default:
       NOTREACHED();
   }
 
   origin.y -= NSHeight([window frame]);
   [window setFrameOrigin:origin];
 }
 
-- (void)activateTabWithContents:(TabContents*)newContents
-               previousContents:(TabContents*)oldContents
+- (void)activateTabWithContents:(content::WebContents*)newContents
+               previousContents:(content::WebContents*)oldContents
                         atIndex:(NSInteger)index
                     userGesture:(bool)wasUserGesture {
   // The user switched tabs; close.
   [self close];
 }
 
 @end  // BaseBubbleController