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diff --git a/webkit/glue/plugins/mac_gpu_plugin_container.h b/webkit/glue/plugins/mac_gpu_plugin_container.h
deleted file mode 100644
index 4055a4b..0000000
--- a/webkit/glue/plugins/mac_gpu_plugin_container.h
+++ /dev/null
@@ -1,114 +0,0 @@
-// Copyright (c) 2010 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_PLUGINS_MAC_GPU_PLUGIN_CONTAINER_H_
-#define WEBKIT_GLUE_PLUGINS_MAC_GPU_PLUGIN_CONTAINER_H_
-
-// The "GPU plugin" is currently implemented as a special kind of
-// NPAPI plugin to provide high-performance on-screen 3D rendering for
-// Pepper 3D.
-//
-// On Windows and X11 platforms the GPU plugin relies on cross-process
-// parenting of windows, which is not supported via any public APIs in
-// the Mac OS X window system.
-//
-// To achieve full hardware acceleration we use the new IOSurface APIs
-// introduced in Mac OS X 10.6. The GPU plugin's process produces an
-// IOSurface and renders into it using OpenGL. It uses the
-// IOSurfaceGetID and IOSurfaceLookup APIs to pass a reference to this
-// surface to the browser process for on-screen rendering. The GPU
-// plugin essentially looks like a windowless plugin; the browser
-// process gets all of the mouse events, because the plugin process
-// does not have an on-screen window.
-//
-// This class encapsulates some of the management of these data
-// structures, in conjunction with the MacGPUPluginContainerManager.
-
-#include <CoreFoundation/CoreFoundation.h>
-#include <OpenGL/OpenGL.h>
-
-#include "app/gfx/native_widget_types.h"
-#include "base/basictypes.h"
-#include "base/scoped_ptr.h"
-#include "base/gfx/rect.h"
-#include "chrome/common/transport_dib.h"
-
-namespace webkit_glue {
-struct WebPluginGeometry;
-}
-
-class MacGPUPluginContainerManager;
-
-class MacGPUPluginContainer {
- public:
-  MacGPUPluginContainer();
-  virtual ~MacGPUPluginContainer();
-
-  // Sets the backing store and size of this plugin container.  There are two
-  // versions: the IOSurface version is used on systems where the IOSurface
-  // API is supported (Mac OS X 10.6 and later); the TransportDIB is used on
-  // Mac OS X 10.5 and earlier.
-  void SetSizeAndIOSurface(int32 width,
-                           int32 height,
-                           uint64 io_surface_identifier,
-                           MacGPUPluginContainerManager* manager);
-  void SetSizeAndTransportDIB(int32 width,
-                              int32 height,
-                              TransportDIB::Handle transport_dib,
-                              MacGPUPluginContainerManager* manager);
-
-  // Tells the plugin container that it has moved relative to the
-  // origin of the window, for example because of a scroll event.
-  void MoveTo(const webkit_glue::WebPluginGeometry& geom);
-
-  // Draws this plugin's contents, texture mapped onto a quad in the
-  // given OpenGL context. TODO(kbr): figure out and define exactly
-  // how the coordinate system will work out.
-  void Draw(CGLContextObj context);
-
-  // Enqueue our texture for later deletion. Call this before deleting
-  // this object.
-  void EnqueueTextureForDeletion(MacGPUPluginContainerManager* manager);
-
- private:
-  // We currently only have a viable implementation of this class on
-  // Snow Leopard. We need to think about fallback strategies that
-  // will work on Leopard.
-
-  // The x and y coordinates of the plugin window on the web page.
-  int x_;
-  int y_;
-
-  void ReleaseIOSurface();
-
-  // The IOSurfaceRef, if any, that has been handed from the GPU
-  // plugin process back to the browser process for drawing.
-  // This is held as a CFTypeRef because we can't refer to the
-  // IOSurfaceRef type when building on 10.5.
-  CFTypeRef surface_;
-
-  // The TransportDIB which is used in pre-10.6 systems where the IOSurface
-  // API is not supported.  This is a weak reference to the actual TransportDIB
-  // whic is owned by the GPU process.
-  scoped_ptr<TransportDIB> transport_dib_;
-
-  // The width and height of the surface.
-  int32 width_;
-  int32 height_;
-
-  // The clip rectangle, relative to the (x_, y_) origin.
-  gfx::Rect clipRect_;
-
-  // The "live" OpenGL texture referring to this IOSurfaceRef. Note
-  // that per the CGLTexImageIOSurface2D API we do not need to
-  // explicitly update this texture's contents once created. All we
-  // need to do is ensure it is re-bound before attempting to draw
-  // with it.
-  GLuint texture_;
-
-  DISALLOW_COPY_AND_ASSIGN(MacGPUPluginContainer);
-};
-
-#endif  // WEBKIT_GLUE_PLUGINS_MAC_GPU_PLUGIN_CONTAINER_H_
-