Revert of Add subscribeUniform extension pipeline

gpu/command_buffer/client/gles2_interface_autogen.h

Index: gpu/command_buffer/client/gles2_interface_autogen.h
diff --git a/gpu/command_buffer/client/gles2_interface_autogen.h b/gpu/command_buffer/client/gles2_interface_autogen.h
index af5db19d1146e7025f9efdc11b529aeecb736241..d8408047b935e7715302c719e64c40540719c1d2 100644
--- a/gpu/command_buffer/client/gles2_interface_autogen.h
+++ b/gpu/command_buffer/client/gles2_interface_autogen.h
@@ -450,16 +450,6 @@
 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;