Windows: Only collect D3D11 UMA stats if the GPU process launches and initializes successfully.

content/browser/gpu/gpu_process_host.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 "content/browser/gpu/gpu_process_host.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/memory/ref_counted.h"
 #include "base/metrics/histogram.h"
 #include "base/process_util.h"
 #include "base/threading/thread.h"
+#include "base/threading/worker_pool.h"
 #include "content/browser/browser_child_process_host_impl.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
 #include "content/browser/renderer_host/render_widget_helper.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/view_messages.h"
 #include "content/gpu/gpu_child_thread.h"
+#include "content/gpu/gpu_info_collector.h"
 #include "content/gpu/gpu_process.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/result_codes.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_switches.h"
@@ skipping 611 matching lines @@
                                  int sync_point) {
   TRACE_EVENT0("gpu", "GpuProcessHost::DeleteImage");
 
   DCHECK(CalledOnValidThread());
 
   Send(new GpuMsg_DeleteImage(client_id, image_id, sync_point));
 }
 
 void GpuProcessHost::OnInitialized(bool result) {
   UMA_HISTOGRAM_BOOLEAN("GPU.GPUProcessInitialized", result);
+
+#if defined(OS_WIN)
+  // Only collect D3D11 statistics if D3D was successfully initialized in
+  // the GPU process.
+  if (result) {
+    base::WorkerPool::PostTask(
+        FROM_HERE,
+        base::Bind(&gpu_info_collector::CollectD3D11Support),
+        false);
+  }
+#endif
 }
 
 void GpuProcessHost::OnChannelEstablished(
     const IPC::ChannelHandle& channel_handle) {
   TRACE_EVENT0("gpu", "GpuProcessHost::OnChannelEstablished");
 
   EstablishChannelCallback callback = channel_requests_.front();
   channel_requests_.pop();
 
   // Currently if any of the GPU features are blacklisted, we don't establish a
@@ skipping 388 matching lines @@
 void GpuProcessHost::BlockLiveOffscreenContexts() {
   for (std::multiset<GURL>::iterator iter =
            urls_with_live_offscreen_contexts_.begin();
        iter != urls_with_live_offscreen_contexts_.end(); ++iter) {
     GpuDataManagerImpl::GetInstance()->BlockDomainFrom3DAPIs(
         *iter, GpuDataManagerImpl::DOMAIN_GUILT_UNKNOWN);
   }
 }
 
 }  // namespace content