Revert of Add subscribeUniform extension pipeline

gpu/command_buffer/client/gles2_interface_autogen.h

 // Copyright 2014 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 432 matching lines @@
 virtual void ProduceTextureCHROMIUM(GLenum target, const GLbyte* mailbox) = 0;
 virtual void ProduceTextureDirectCHROMIUM(GLuint texture,
                                           GLenum target,
                                           const GLbyte* mailbox) = 0;
 virtual void ConsumeTextureCHROMIUM(GLenum target, const GLbyte* mailbox) = 0;
 virtual GLuint CreateAndConsumeTextureCHROMIUM(GLenum target,
                                                const GLbyte* mailbox) = 0;
 virtual void BindUniformLocationCHROMIUM(GLuint program,
                                          GLint location,
                                          const char* name) = 0;
-virtual void GenValuebuffersCHROMIUM(GLsizei n, GLuint* buffers) = 0;
-virtual void DeleteValuebuffersCHROMIUM(GLsizei n,
-                                        const GLuint* valuebuffers) = 0;
-virtual GLboolean IsValuebufferCHROMIUM(GLuint valuebuffer) = 0;
-virtual void BindValuebufferCHROMIUM(GLenum target, GLuint valuebuffer) = 0;
-virtual void SubscribeValueCHROMIUM(GLenum target, GLenum subscription) = 0;
-virtual void PopulateSubscribedValuesCHROMIUM(GLenum target) = 0;
-virtual void UniformValuebufferCHROMIUM(GLint location,
-                                        GLenum target,
-                                        GLenum subscription) = 0;
 virtual void BindTexImage2DCHROMIUM(GLenum target, GLint imageId) = 0;
 virtual void ReleaseTexImage2DCHROMIUM(GLenum target, GLint imageId) = 0;
 virtual void TraceBeginCHROMIUM(const char* name) = 0;
 virtual void TraceEndCHROMIUM() = 0;
 virtual void AsyncTexSubImage2DCHROMIUM(GLenum target,
                                         GLint level,
                                         GLint xoffset,
                                         GLint yoffset,
                                         GLsizei width,
                                         GLsizei height,
@@ skipping 27 matching lines @@
                                           GLint bounds_width,
                                           GLint bounds_height,
                                           GLfloat uv_x,
                                           GLfloat uv_y,
                                           GLfloat uv_width,
                                           GLfloat uv_height) = 0;
 virtual void MatrixLoadfCHROMIUM(GLenum matrixMode, const GLfloat* m) = 0;
 virtual void MatrixLoadIdentityCHROMIUM(GLenum matrixMode) = 0;
 virtual void BlendBarrierKHR() = 0;
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_INTERFACE_AUTOGEN_H_