Add OpenGL occlusion query support to pepper.

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 25 matching lines @@
   static const PPB_OpenGLES2InstancedArrays_Dev*
       GetOpenGLESInstancedArraysInterface();
   static const PPB_OpenGLES2FramebufferBlit_Dev*
       GetOpenGLESFramebufferBlitInterface();
   static const PPB_OpenGLES2FramebufferMultisample_Dev*
       GetOpenGLESFramebufferMultisampleInterface();
   static const PPB_OpenGLES2ChromiumEnableFeature_Dev*
       GetOpenGLESChromiumEnableFeatureInterface();
   static const PPB_OpenGLES2ChromiumMapSub_Dev*
       GetOpenGLESChromiumMapSubInterface();
+  static const PPB_OpenGLES2Query_Dev*
+      GetOpenGLESQueryInterface();
 
   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_