gpu: Add the ability to wait on upload completion.

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 3aa64a19a8983f7a0a54d870d1f6f799fd7cea25..09d621d33cfe56b8281d41e0cef98a1b49e21d7d 100644
--- a/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
+++ b/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
@@ -1958,6 +1958,14 @@
     }
   }
 
+  void WaitAsyncTexImage2DCHROMIUM(GLenum target) {
+    gles2::WaitAsyncTexImage2DCHROMIUM* c =
+        GetCmdSpace<gles2::WaitAsyncTexImage2DCHROMIUM>();
+    if (c) {
+      c->Init(target);
+    }
+  }
+
   void DiscardFramebufferEXT(
       GLenum target, GLsizei count, uint32 attachments_shm_id,
       uint32 attachments_shm_offset) {