Revert of Add subscribeUniform extension pipeline

gpu/command_buffer/client/gles2_interface_stub_autogen.h

Index: gpu/command_buffer/client/gles2_interface_stub_autogen.h
diff --git a/gpu/command_buffer/client/gles2_interface_stub_autogen.h b/gpu/command_buffer/client/gles2_interface_stub_autogen.h
index c540360d87928cc1ac90e88f479a1a87ffeb4a01..687ff48e77c078f69cea57b7a3558cb67a5e89fb 100644
--- a/gpu/command_buffer/client/gles2_interface_stub_autogen.h
+++ b/gpu/command_buffer/client/gles2_interface_stub_autogen.h
@@ -441,15 +441,6 @@
 void BindUniformLocationCHROMIUM(GLuint program,
                                  GLint location,
                                  const char* name) override;
-void GenValuebuffersCHROMIUM(GLsizei n, GLuint* buffers) override;
-void DeleteValuebuffersCHROMIUM(GLsizei n, const GLuint* valuebuffers) override;
-GLboolean IsValuebufferCHROMIUM(GLuint valuebuffer) override;
-void BindValuebufferCHROMIUM(GLenum target, GLuint valuebuffer) override;
-void SubscribeValueCHROMIUM(GLenum target, GLenum subscription) override;
-void PopulateSubscribedValuesCHROMIUM(GLenum target) override;
-void UniformValuebufferCHROMIUM(GLint location,
-                                GLenum target,
-                                GLenum subscription) override;
 void BindTexImage2DCHROMIUM(GLenum target, GLint imageId) override;
 void ReleaseTexImage2DCHROMIUM(GLenum target, GLint imageId) override;
 void TraceBeginCHROMIUM(const char* name) override;