[GPU] Get GPU process running on the mac...

webkit/glue/plugins/webplugin_delegate_impl.h

 // Copyright (c) 2009 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 WEBKIT_GLUE_PLUGIN_WEBPLUGIN_DELEGATE_IMPL_H_
 #define WEBKIT_GLUE_PLUGIN_WEBPLUGIN_DELEGATE_IMPL_H_
 
 #include "build/build_config.h"
 
 #include <string>
@@ skipping 129 matching lines @@
   void SetCursor(const Cursor* cursor);
   // Informs the delegate that the plugin set a Cocoa NSCursor.
   void SetNSCursor(NSCursor* cursor);
 
 #ifndef NP_NO_CARBON
   // Indicates that it's time to send the plugin a null event.
   void FireIdleEvent();
 #endif
 #endif  // OS_MACOSX
 
-#if !defined(OS_MACOSX)
   gfx::PluginWindowHandle windowed_handle() const {
     return windowed_handle_;
   }
+
+#if defined(OS_MACOSX)
+  // On Mac OS X and for the GPU plugin only, this handle is a fake
+  // one and comes in from the outside world.
+  void set_windowed_handle(gfx::PluginWindowHandle handle) {
+    windowed_handle_ = handle;
+  }
 #endif
 
  private:
   friend class DeleteTask<WebPluginDelegateImpl>;
   friend class webkit_glue::WebPluginDelegate;
 
   WebPluginDelegateImpl(gfx::PluginWindowHandle containing_view,
                         NPAPI::PluginInstance *instance);
   ~WebPluginDelegateImpl();
 
@@ skipping 54 matching lines @@
   void WindowlessSetWindow(bool force_set_window);
 
   //-----------------------------------------
   // used for windowed and windowless plugins
 
   NPAPI::PluginInstance* instance() { return instance_.get(); }
 
   // Closes down and destroys our plugin instance.
   void DestroyInstance();
 
-#if !defined(OS_MACOSX)
+
   // used for windowed plugins
+  // Note: on Mac OS X, the only time the windowed handle is non-zero
+  // is the case of the GPU plugin, which uses a fake window handle to
+  // identify itself back to the browser. It still performs all of its
+  // work offscreen.
   gfx::PluginWindowHandle windowed_handle_;
   gfx::Rect windowed_last_pos_;
-#endif
+
   bool windowed_did_set_window_;
 
   // TODO(dglazkov): No longer used by Windows, make sure the removal
   // causes no regressions and eliminate from other platforms.
   // this is an optimization to avoid calling SetWindow to the plugin
   // when it is not necessary.  Initially, we need to call SetWindow,
   // and after that we only need to call it when the geometry changes.
   // use this flag to indicate whether we really need it or not.
   bool windowless_needs_set_window_;
 
@@ skipping 156 matching lines @@
   ScopedRunnableMethodFactory<WebPluginDelegateImpl> user_gesture_msg_factory_;
 #endif
 
   // Holds the current cursor set by the windowless plugin.
   WebCursor current_windowless_cursor_;
 
   DISALLOW_COPY_AND_ASSIGN(WebPluginDelegateImpl);
 };
 
 #endif  // WEBKIT_GLUE_PLUGIN_WEBPLUGIN_DELEGATE_IMPL_H_