mac: Stop using __weak.

chrome/browser/ui/cocoa/tabs/media_indicator_button_cocoa.h

 // Copyright 2013 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_UI_COCOA_TABS_MEDIA_INDICATOR_BUTTON_COCOA_H_
 #define CHROME_BROWSER_UI_COCOA_TABS_MEDIA_INDICATOR_BUTTON_COCOA_H_
 
 #import "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/tabs/tab_utils.h"
@@ skipping 25 matching lines @@
 
   // Media indicator fade-in/out animation (i.e., only on show/hide, not a
   // continuous animation).
   scoped_ptr<gfx::AnimationDelegate> fadeAnimationDelegate_;
   scoped_ptr<gfx::Animation> fadeAnimation_;
   TabMediaState showingMediaState_;
 
   // Target and action invoked whenever a fade-in/out animation completes.  This
   // is used by TabController to layout the TabView after an indicator has
   // completely faded out.
-  __weak id animationDoneTarget_;
+  id animationDoneTarget_;  // weak
   SEL animationDoneAction_;
 
   // The image to show when the mouse hovers over the button.
   base::scoped_nsobject<NSImage> affordanceImage_;
 
   // Target and action invoked whenever an enabled button is clicked.
-  __weak id clickTarget_;
+  id clickTarget_;  // weak
   SEL clickAction_;
 }
 
 @property(readonly, nonatomic) TabMediaState showingMediaState;
 
 // Initialize a new MediaIndicatorButton in TAB_MEDIA_STATE_NONE (i.e., a
 // non-active indicator).
 - (id)init;
 
 // Updates button images, starts fade animations, and activates/deactivates
@@ skipping 10 matching lines @@
 // weak reference on |target| is held.
 - (void)setAnimationDoneTarget:(id)target withAction:(SEL)action;
 
 // Request a message be sent to |target| whenever the enabled button has been
 // clicked.  A weak reference on |target| is held.
 - (void)setClickTarget:(id)target withAction:(SEL)action;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_TABS_MEDIA_INDICATOR_BUTTON_COCOA_H_