Add subscribeUniform extension pipeline

gpu/command_buffer/client/gles2_implementation_impl_autogen.h

Index: gpu/command_buffer/client/gles2_implementation_impl_autogen.h
diff --git a/gpu/command_buffer/client/gles2_implementation_impl_autogen.h b/gpu/command_buffer/client/gles2_implementation_impl_autogen.h
index 50d7f821d4863e14e795079abe09779bdacf96b1..03e7852aa2f044e847056f2ca9c058fb77408832 100644
--- a/gpu/command_buffer/client/gles2_implementation_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_implementation_impl_autogen.h
@@ -2024,6 +2024,17 @@ void GLES2Implementation::CopyTextureCHROMIUM(GLenum target,
   CheckGLError();
 }
 
+void GLES2Implementation::SubscribeUniformCHROMIUM(GLint location,
+                                                   GLenum target) {
+  GPU_CLIENT_SINGLE_THREAD_CHECK();
+  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glSubscribeUniformCHROMIUM("
+                     << location << ", "
+                     << GLES2Util::GetStringUniformSubscriptionTarget(target)
+                     << ")");
+  helper_->SubscribeUniformCHROMIUM(location, target);
+  CheckGLError();
+}
+
 void GLES2Implementation::BindTexImage2DCHROMIUM(GLenum target, GLint imageId) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindTexImage2DCHROMIUM("