[Mac] Refactor Cocoa fullscreen code

chrome/browser/ui/cocoa/download/download_shelf_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/download/download_shelf_controller.h"
 
 #include <stddef.h>
 
 #include "base/mac/bundle_locations.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/download/download_stats.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #import "chrome/browser/ui/cocoa/animatable_view.h"
 #include "chrome/browser/ui/cocoa/browser_window_cocoa.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #include "chrome/browser/ui/cocoa/download/download_item_controller.h"
 #include "chrome/browser/ui/cocoa/download/download_shelf_mac.h"
 #import "chrome/browser/ui/cocoa/download/download_shelf_view_cocoa.h"
-#import "chrome/browser/ui/cocoa/presentation_mode_controller.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/download_manager.h"
 #import "third_party/google_toolbox_for_mac/src/AppKit/GTMNSAnimation+Duration.h"
 #import "ui/base/cocoa/hover_button.h"
 
 using content::DownloadItem;
 
 // Download shelf autoclose behavior:
 //
 // The download shelf autocloses if all of this is true:
@@ skipping 89 matching lines @@
   DCHECK(hoverCloseButton_);
 
   NSNotificationCenter* defaultCenter = [NSNotificationCenter defaultCenter];
   [[self animatableView] setResizeDelegate:resizeDelegate_];
   [[self view] setPostsFrameChangedNotifications:YES];
   [defaultCenter addObserver:self
                     selector:@selector(viewFrameDidChange:)
                         name:NSViewFrameDidChangeNotification
                       object:[self view]];
 
-  // These notifications are declared in fullscreen_controller, and are posted
-  // without objects.
   [defaultCenter addObserver:self
                     selector:@selector(willEnterFullscreen)
-                        name:kWillEnterFullscreenNotification
+                        name:NSWindowWillEnterFullScreenNotification
                       object:nil];
   [defaultCenter addObserver:self
                     selector:@selector(willLeaveFullscreen)
-                        name:kWillLeaveFullscreenNotification
+                        name:NSWindowWillExitFullScreenNotification
                       object:nil];
   [self installTrackingArea];
 }
 
 - (void)dealloc {
   [self browserWillBeDestroyed];
   [super dealloc];
 }
 
 - (void)browserWillBeDestroyed {
@@ skipping 354 matching lines @@
   }
 
   // Set the tracking off to create a new tracking area for the control.
   // When changing the bounds/frame on a HoverButton, the tracking isn't updated
   // correctly, it needs to be turned off and back on.
   [hoverCloseButton_ setTrackingEnabled:NO];
   [hoverCloseButton_ setFrame:bounds];
   [hoverCloseButton_ setTrackingEnabled:YES];
 }
 @end