gpu: Add the ability to wait on upload completion.

gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h

Index: gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
diff --git a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
index 8f87a40da0f26f0dd71772e5fbcf519c8b02ad12..a6bf01e45e306531627dc67593def8f9af24709a 100644
--- a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
@@ -1153,6 +1153,11 @@ void GLES2TraceImplementation::AsyncTexImage2DCHROMIUM(
       pixels);
 }
 
+void GLES2TraceImplementation::WaitAsyncTexImage2DCHROMIUM(GLenum target) {
+  TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::WaitAsyncTexImage2DCHROMIUM");  // NOLINT
+  gl_->WaitAsyncTexImage2DCHROMIUM(target);
+}
+
 void GLES2TraceImplementation::DiscardFramebufferEXT(
     GLenum target, GLsizei count, const GLenum* attachments) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::DiscardFramebufferEXT");