Implement pepper flash fullscreen on Mac

chrome/browser/ui/cocoa/chrome_event_processing_window.h

 // Copyright (c) 2011 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_CHROME_EVENT_PROCESSING_WINDOW_H_
 #define CHROME_BROWSER_UI_COCOA_CHROME_EVENT_PROCESSING_WINDOW_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_nsobject.h"
+#import "ui/base/cocoa/underlay_opengl_hosting_window.h"
 
 // Override NSWindow to access unhandled keyboard events (for command
 // processing); subclassing NSWindow is the only method to do
 // this.
-@interface ChromeEventProcessingWindow : NSWindow {
+@interface ChromeEventProcessingWindow : UnderlayOpenGLHostingWindow {
  @private
   BOOL redispatchingEvent_;
   BOOL eventHandled_;
 }
 
 // Sends a key event to |NSApp sendEvent:|, but also makes sure that it's not
 // short-circuited to the RWHV. This is used to send keyboard events to the menu
 // and the cmd-` handler if a keyboard event comes back unhandled from the
 // renderer. The event must be of type |NSKeyDown|, |NSKeyUp|, or
 // |NSFlagsChanged|.
@@ skipping 13 matching lines @@
 // Checks if |event| is a browser keyboard shortcut. If so, dispatches it to the
 // window controller's |executeCommand:| and returns |YES|.
 - (BOOL)handleExtraBrowserKeyboardShortcut:(NSEvent*)event;
 
 // Override, so we can handle global keyboard events.
 - (BOOL)performKeyEquivalent:(NSEvent*)theEvent;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_CHROME_EVENT_PROCESSING_WINDOW_H_