Revert 123696 - Add Pepper support for several GL extensions

ppapi/lib/gl/gles2/gles2.c

Index: ppapi/lib/gl/gles2/gles2.c
===================================================================
--- ppapi/lib/gl/gles2/gles2.c	(revision 123696)
+++ ppapi/lib/gl/gles2/gles2.c	(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.
 
@@ -753,95 +753,3 @@
       glGetCurrentContextPPAPI(), x, y, width, height);
 }
 
-void GL_APIENTRY glBlitFramebufferEXT(
-    GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0,
-    GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter) {
-  const struct PPB_OpenGLES2FramebufferBlit_Dev* ext =
-      glGetFramebufferBlitInterfacePPAPI();
-  if (ext)
-    ext->BlitFramebufferEXT(
-        glGetCurrentContextPPAPI(), srcX0, srcY0, srcX1, srcY1, dstX0, dstY0,
-        dstX1, dstY1, mask, filter);
-}
-
-void GL_APIENTRY glRenderbufferStorageMultisampleEXT(
-    GLenum target, GLsizei samples, GLenum internalformat, GLsizei width,
-    GLsizei height) {
-  const struct PPB_OpenGLES2FramebufferMultisample_Dev* ext =
-      glGetFramebufferMultisampleInterfacePPAPI();
-  if (ext)
-    ext->RenderbufferStorageMultisampleEXT(
-        glGetCurrentContextPPAPI(), target, samples, internalformat, width,
-        height);
-}
-
-GLboolean GL_APIENTRY glEnableFeatureCHROMIUM(const char* feature) {
-  const struct PPB_OpenGLES2ChromiumEnableFeature_Dev* ext =
-      glGetChromiumEnableFeatureInterfacePPAPI();
-  if (ext)
-    return ext->EnableFeatureCHROMIUM(glGetCurrentContextPPAPI(), feature);
-  return 0;
-}
-
-void* GL_APIENTRY glMapBufferSubDataCHROMIUM(
-    GLuint target, GLintptr offset, GLsizeiptr size, GLenum access) {
-  const struct PPB_OpenGLES2ChromiumMapSub_Dev* ext =
-      glGetChromiumMapSubInterfacePPAPI();
-  if (ext)
-    return ext->MapBufferSubDataCHROMIUM(
-        glGetCurrentContextPPAPI(), target, offset, size, access);
-  return 0;
-}
-
-void GL_APIENTRY glUnmapBufferSubDataCHROMIUM(const void* mem) {
-  const struct PPB_OpenGLES2ChromiumMapSub_Dev* ext =
-      glGetChromiumMapSubInterfacePPAPI();
-  if (ext)
-    ext->UnmapBufferSubDataCHROMIUM(glGetCurrentContextPPAPI(), mem);
-}
-
-void* GL_APIENTRY glMapTexSubImage2DCHROMIUM(
-    GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
-    GLsizei height, GLenum format, GLenum type, GLenum access) {
-  const struct PPB_OpenGLES2ChromiumMapSub_Dev* ext =
-      glGetChromiumMapSubInterfacePPAPI();
-  if (ext)
-    return ext->MapTexSubImage2DCHROMIUM(
-        glGetCurrentContextPPAPI(), target, level, xoffset, yoffset, width,
-        height, format, type, access);
-  return 0;
-}
-
-void GL_APIENTRY glUnmapTexSubImage2DCHROMIUM(const void* mem) {
-  const struct PPB_OpenGLES2ChromiumMapSub_Dev* ext =
-      glGetChromiumMapSubInterfacePPAPI();
-  if (ext)
-    ext->UnmapTexSubImage2DCHROMIUM(glGetCurrentContextPPAPI(), mem);
-}
-
-void GL_APIENTRY glDrawArraysInstancedANGLE(
-    GLenum mode, GLint first, GLsizei count, GLsizei primcount) {
-  const struct PPB_OpenGLES2InstancedArrays_Dev* ext =
-      glGetInstancedArraysInterfacePPAPI();
-  if (ext)
-    ext->DrawArraysInstancedANGLE(
-        glGetCurrentContextPPAPI(), mode, first, count, primcount);
-}
-
-void GL_APIENTRY glDrawElementsInstancedANGLE(
-    GLenum mode, GLsizei count, GLenum type, const void* indices,
-    GLsizei primcount) {
-  const struct PPB_OpenGLES2InstancedArrays_Dev* ext =
-      glGetInstancedArraysInterfacePPAPI();
-  if (ext)
-    ext->DrawElementsInstancedANGLE(
-        glGetCurrentContextPPAPI(), mode, count, type, indices, primcount);
-}
-
-void GL_APIENTRY glVertexAttribDivisorANGLE(GLuint index, GLuint divisor) {
-  const struct PPB_OpenGLES2InstancedArrays_Dev* ext =
-      glGetInstancedArraysInterfacePPAPI();
-  if (ext)
-    ext->VertexAttribDivisorANGLE(glGetCurrentContextPPAPI(), index, divisor);
-}
-