Revert of Add subscribeUniform extension pipeline

gpu/command_buffer/client/gles2_trace_implementation_autogen.h

Index: gpu/command_buffer/client/gles2_trace_implementation_autogen.h
diff --git a/gpu/command_buffer/client/gles2_trace_implementation_autogen.h b/gpu/command_buffer/client/gles2_trace_implementation_autogen.h
index cb6091084bd7b3710cff50a3a36d07050774d25b..a599eb4058fa7b87bfd59d4db7ac127f6e5251f3 100644
--- a/gpu/command_buffer/client/gles2_trace_implementation_autogen.h
+++ b/gpu/command_buffer/client/gles2_trace_implementation_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;