Windowed mode mouse lock addded to fullscreen controller.

chrome/browser/ui/cocoa/browser_window_controller_private.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/browser_window_controller_private.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #import "base/memory/scoped_nsobject.h"
@@ skipping 773 matching lines @@
   // mode, it needs to draw over the bookmark bar and part of the toolbar.
   [[infoBarContainerController_ view] removeFromSuperview];
   NSView* infoBarDest = [[self window] contentView];
   [infoBarDest addSubview:[infoBarContainerController_ view]
                positioned:fullscreen ? NSWindowBelow : NSWindowAbove
                relativeTo:fullscreen ? nil
                                      : [toolbarController_ view]];
 }
 
 - (void)showFullscreenExitBubbleIfNecessary {
-  if (!browser_->IsFullscreenForTabOrPending()) {
-    return;
-  }
-
   [presentationModeController_ ensureOverlayHiddenWithAnimation:NO delay:NO];
 
+  [fullscreenExitBubbleController_ closeImmediately];
   fullscreenExitBubbleController_.reset(
       [[FullscreenExitBubbleController alloc]
           initWithOwner:self
                 browser:browser_.get()
                     url:fullscreenUrl_
              bubbleType:fullscreenBubbleType_]);
-  NSView* contentView = [[self window] contentView];
-  CGFloat maxWidth = NSWidth([contentView frame]);
-  CGFloat maxY = NSMaxY([[[self window] contentView] frame]);
-  [fullscreenExitBubbleController_
-      positionInWindowAtTop:maxY width:maxWidth];
   [fullscreenExitBubbleController_ showWindow];
 }
 
 - (void)destroyFullscreenExitBubbleIfNecessary {
   [fullscreenExitBubbleController_ closeImmediately];
   fullscreenExitBubbleController_.reset();
 }
 
 - (void)contentViewDidResize:(NSNotification*)notification {
   [self layoutSubviews];
@@ skipping 90 matching lines @@
 - (void)disableBarVisibilityUpdates {
   // Early escape if there's nothing to do.
   if (!barVisibilityUpdatesEnabled_)
     return;
 
   barVisibilityUpdatesEnabled_ = NO;
   [presentationModeController_ cancelAnimationAndTimers];
 }
 
 @end  // @implementation BrowserWindowController(Private)