mac: Remove now-unneeded includes of cocoa_protocols.h

chrome/browser/ui/cocoa/web_dialog_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_WEB_DIALOG_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_WEB_DIALOG_WINDOW_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
-#import "base/mac/cocoa_protocols.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/web_dialogs/web_dialog_ui.h"
 
 class TabContents;
 class WebDialogWindowDelegateBridge;
 
 namespace content {
 class BrowserContext;
 }
 
@@ skipping 26 matching lines @@
                context:(content::BrowserContext*)context;
 
 // Loads the HTML content from the delegate; this is not a lightweight
 // process which is why it is not part of the constructor.  Must be
 // called before showWindow.
 - (void)loadDialogContents;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_WEB_DIALOG_WINDOW_CONTROLLER_H_