gpu: Add a new extension CHROMIUM_deschedule.

gpu/command_buffer/client/gles2_cmd_helper_autogen.h

Index: gpu/command_buffer/client/gles2_cmd_helper_autogen.h
diff --git a/gpu/command_buffer/client/gles2_cmd_helper_autogen.h b/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
index f4b27ccf77df20d36232b778c4980bebf79ad703..80cb02d3737cf6520a5b947fa37d48f87f256ed9 100644
--- a/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
+++ b/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
@@ -2472,6 +2472,14 @@ void GetUniformsES3CHROMIUM(GLuint program, uint32_t bucket_id) {
   }
 }
 
+void DescheduleUntilFinishedCHROMIUM() {
+  gles2::cmds::DescheduleUntilFinishedCHROMIUM* c =
+      GetCmdSpace<gles2::cmds::DescheduleUntilFinishedCHROMIUM>();
+  if (c) {
+    c->Init();
+  }
+}
+
 void GetTranslatedShaderSourceANGLE(GLuint shader, uint32_t bucket_id) {
   gles2::cmds::GetTranslatedShaderSourceANGLE* c =
       GetCmdSpace<gles2::cmds::GetTranslatedShaderSourceANGLE>();