[Mac] Remove the presentation mode button and its associated action from the tabstrip.

chrome/browser/ui/cocoa/browser_window_controller.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_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 #pragma once
 
 // A class acting as the Objective-C controller for the Browser
 // object. Handles interactions between Cocoa and the cross-platform
@@ skipping 93 matching lines @@
   // The raw accumulated zoom value and the actual zoom increments made for an
   // an in-progress pinch gesture.
   CGFloat totalMagnifyGestureAmount_;
   NSInteger currentZoomStepDelta_;
 
   // The view controller that manages the incognito badge or the multi-profile
   // avatar icon. The view is always in the view hierarchy, but will be hidden
   // unless it's appropriate to show it.
   scoped_nsobject<AvatarButtonController> avatarButtonController_;
 
-  // The view that shows the presentation mode toggle when in Lion fullscreen
-  // mode.  Nil if not in fullscreen mode or not on Lion.
-  scoped_nsobject<NSButton> presentationModeToggleButton_;
-
   // Lazily created view which draws the background for the floating set of bars
   // in presentation mode (for window types having a floating bar; it remains
   // nil for those which don't).
   scoped_nsobject<NSView> floatingBarBackingView_;
 
   // Tracks whether the floating bar is above or below the bookmark bar, in
   // terms of z-order.
   BOOL floatingBarAboveBookmarkBar_;
 
   // The borderless window used in fullscreen mode.  Lion reuses the original
@@ skipping 258 matching lines @@
 - (void)exitFullscreen;
 
 // Updates the contents of the fullscreen exit bubble with |url| and
 // |bubbleType|.
 - (void)updateFullscreenExitBubbleURL:(const GURL&)url
                            bubbleType:(FullscreenExitBubbleType)bubbleType;
 
 // Returns fullscreen state.  This method is safe to call on all OS versions.
 - (BOOL)isFullscreen;
 
-// Toggles presentation mode without exiting fullscreen mode.  Should only be
-// called by the presentation mode toggle button.  This method should not be
-// called on Snow Leopard or earlier.
-- (void)togglePresentationModeForLionOrLater:(id)sender;
-
 // Enters (or exits) presentation mode.  Also enters fullscreen mode if this
 // window is not already fullscreen.  This method is safe to call on all OS
 // versions.
 - (void)enterPresentationModeForURL:(const GURL&)url
                          bubbleType:(FullscreenExitBubbleType)bubbleType;
 - (void)exitPresentationMode;
 
 // Returns presentation mode state.  This method is safe to call on all OS
 // versions.
 - (BOOL)inPresentationMode;
@@ skipping 67 matching lines @@
 // |source| rect doesn't fit into |target|.
 - (NSSize)overflowFrom:(NSRect)source
                     to:(NSRect)target;
 
 // The fullscreen exit bubble controller, or nil if the bubble isn't showing.
 - (FullscreenExitBubbleController*)fullscreenExitBubbleController;
 @end  // @interface BrowserWindowController (TestingAPI)
 
 
 #endif  // CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_