[Ozone-GBM] Handle GPU crashes

ui/ozone/platform/dri/dri_window_delegate_impl.cc

 // Copyright 2014 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 "ui/ozone/platform/dri/dri_window_delegate_impl.h"
 
+#include "base/debug/trace_event.h"
 #include "ui/ozone/platform/dri/screen_manager.h"
 
 namespace ui {
 
 DriWindowDelegateImpl::DriWindowDelegateImpl(gfx::AcceleratedWidget widget,
                                              ScreenManager* screen_manager)
     : widget_(widget), screen_manager_(screen_manager) {
 }
 
 DriWindowDelegateImpl::~DriWindowDelegateImpl() {
 }
 
 void DriWindowDelegateImpl::Initialize() {
+  TRACE_EVENT1("dri", "DriWindowDelegateImpl::Initialize", "widget", widget_);
 }
 
 void DriWindowDelegateImpl::Shutdown() {
+  TRACE_EVENT1("dri", "DriWindowDelegateImpl::Shutdown", "widget", widget_);
 }
 
 gfx::AcceleratedWidget DriWindowDelegateImpl::GetAcceleratedWidget() {
   return widget_;
 }
 
 HardwareDisplayController* DriWindowDelegateImpl::GetController() {
   return controller_.get();
 }
 
 void DriWindowDelegateImpl::OnBoundsChanged(const gfx::Rect& bounds) {
+  TRACE_EVENT2("dri",
+               "DriWindowDelegateImpl::OnBoundsChanged",
+               "widget",
+               widget_,
+               "bounds",
+               bounds.ToString());
   controller_ = screen_manager_->GetDisplayController(bounds);
 }
 
 }  // namespace ui