Revert 123696 - Add Pepper support for several GL extensions

ppapi/lib/gl/gles2/gl2ext_ppapi.h

Index: ppapi/lib/gl/gles2/gl2ext_ppapi.h
===================================================================
--- ppapi/lib/gl/gles2/gl2ext_ppapi.h	(revision 123696)
+++ ppapi/lib/gl/gles2/gl2ext_ppapi.h	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -12,7 +12,6 @@
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/ppb.h"
 #include "ppapi/c/ppb_opengles2.h"
-#include "ppapi/c/dev/ppb_opengles2ext_dev.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -37,16 +36,6 @@
 
 // Returns OpenGL ES 2.0 interface.
 GL_APICALL const struct PPB_OpenGLES2* GL_APIENTRY glGetInterfacePPAPI();
-GL_APICALL const struct PPB_OpenGLES2InstancedArrays_Dev* GL_APIENTRY
-    glGetInstancedArraysInterfacePPAPI();
-GL_APICALL const struct PPB_OpenGLES2FramebufferBlit_Dev* GL_APIENTRY
-    glGetFramebufferBlitInterfacePPAPI();
-GL_APICALL const struct PPB_OpenGLES2FramebufferMultisample_Dev* GL_APIENTRY
-    glGetFramebufferMultisampleInterfacePPAPI();
-GL_APICALL const struct PPB_OpenGLES2ChromiumEnableFeature_Dev* GL_APIENTRY
-    glGetChromiumEnableFeatureInterfacePPAPI();
-GL_APICALL const struct PPB_OpenGLES2ChromiumMapSub_Dev* GL_APIENTRY
-    glGetChromiumMapSubInterfacePPAPI();
 
 #ifdef __cplusplus
 }