Add Pepper support for several GL extensions

ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_graphics_3d.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 NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_PPB_GRAPHICS_3D_H_
 #define NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_PPB_GRAPHICS_3D_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "native_client/src/include/nacl_macros.h"
 #include "native_client/src/shared/ppapi_proxy/plugin_resource.h"
@@ skipping 14 matching lines @@
 namespace ppapi_proxy {
 
 // Implements the plugin (i.e., .nexe) side of the PPB_Graphics3D interface.
 class PluginGraphics3D : public PluginResource {
  public:
   PluginGraphics3D();
   virtual ~PluginGraphics3D();
 
   static const PPB_Graphics3D* GetInterface();
   static const PPB_OpenGLES2* GetOpenGLESInterface();
+  static const PPB_OpenGLES2InstancedArrays*
+      GetOpenGLESInstancedArraysInterface();
+  static const PPB_OpenGLES2FramebufferBlit*
+      GetOpenGLESFramebufferBlitInterface();
+  static const PPB_OpenGLES2FramebufferMultisample*
+      GetOpenGLESFramebufferMultisampleInterface();
+  static const PPB_OpenGLES2ChromiumEnableFeature*
+      GetOpenGLESChromiumEnableFeatureInterface();
+  static const PPB_OpenGLES2ChromiumMapSub*
+      GetOpenGLESChromiumMapSubInterface();
 
   virtual bool InitFromBrowserResource(PP_Resource graphics3d_id);
 
   gpu::gles2::GLES2Implementation* impl() {
     return gles2_implementation_.get();
   }
 
   int32_t SwapBuffers(PP_Resource graphics3d_id,
                       struct PP_CompletionCallback callback);
 
@@ skipping 26 matching lines @@
   static gpu::gles2::GLES2Implementation* implFromResourceSlow(
       PP_Resource context);
 
   IMPLEMENT_RESOURCE(PluginGraphics3D);
   NACL_DISALLOW_COPY_AND_ASSIGN(PluginGraphics3D);
 };
 
 }  // namespace ppapi_proxy
 
 #endif  // NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_PPB_GRAPHICS_3D_H_