gpu: Autogenerate glHint state

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
index f021ef312ac1afdbe659ab5d33d0ab5d56b51c77..7849879d6da7919bb1187b1a9abf409b2ad99d06 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
@@ -1407,7 +1407,15 @@ error::Error GLES2DecoderImpl::HandleHint(
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glHint", mode, "mode");
     return error::kNoError;
   }
-  DoHint(target, mode);
+  if (target == GL_GENERATE_MIPMAP_HINT &&
+      state_.hint_generate_mipmap != mode) {
+    state_.hint_generate_mipmap = mode;
+    glHint(target, mode);
+  } else if (target == GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES &&
+      state_.hint_fragment_shader_derivative != mode) {
+    state_.hint_fragment_shader_derivative = mode;
+    glHint(target, mode);
+  }
   return error::kNoError;
 }