Hookup the GPUTrace events.

gpu/command_buffer/service/gpu_trace.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "gpu/command_buffer/service/gpu_trace.h"
-
-namespace gpu {
-namespace gles2 {
-
-GPUTrace::GPUTrace(const std::string& name)
-    : name_(name) {
-}
-
-GPUTrace::~GPUTrace() {
-}
-
-void GPUTrace::EnableStartTrace() {
-  // TODO(dsinclair): no-op for now.
-}
-
-void GPUTrace::EnableEndTrace() {
-  // TODO(dsinclair): no-op for now.
-}
-
-const char* GPUTrace::name() {
-  return name_.c_str();
-}
-
-}  // namespace gles2
-}  // namespace gpu