Add a JS API for detecting WebGL availability.

content/browser/gpu/gpu_process_host_ui_shim.cc

 // Copyright (c) 2011 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_ui_shim.h"
 
 #include <algorithm>
 
 #include "base/debug/trace_event.h"
 #include "base/id_map.h"
@@ skipping 179 matching lines @@
   DCHECK(CalledOnValidThread());
 
   IPC_BEGIN_MESSAGE_MAP(GpuProcessHostUIShim, message)
     IPC_MESSAGE_HANDLER(GpuHostMsg_OnLogMessage,
                         OnLogMessage)
 
     IPC_MESSAGE_HANDLER(GpuHostMsg_AcceleratedSurfaceBuffersSwapped,
                         OnAcceleratedSurfaceBuffersSwapped)
     IPC_MESSAGE_HANDLER(GpuHostMsg_AcceleratedSurfacePostSubBuffer,
                         OnAcceleratedSurfacePostSubBuffer)
+    IPC_MESSAGE_HANDLER(GpuHostMsg_GraphicsInfoCollected,
+                        OnGraphicsInfoCollected)
 
 #if defined(TOOLKIT_USES_GTK) || defined(OS_WIN)
     IPC_MESSAGE_HANDLER(GpuHostMsg_ResizeView, OnResizeView)
 #endif
 
 #if defined(OS_MACOSX) || defined(UI_COMPOSITOR_IMAGE_TRANSPORT)
     IPC_MESSAGE_HANDLER(GpuHostMsg_AcceleratedSurfaceNew,
                         OnAcceleratedSurfaceNew)
 #endif
 
@@ skipping 12 matching lines @@
     int level,
     const std::string& header,
     const std::string& message) {
   DictionaryValue* dict = new DictionaryValue();
   dict->SetInteger("level", level);
   dict->SetString("header", header);
   dict->SetString("message", message);
   GpuDataManager::GetInstance()->AddLogMessage(dict);
 }
 
+void GpuProcessHostUIShim::OnGraphicsInfoCollected(
+    const content::GPUInfo& gpu_info) {
+  // OnGraphicsInfoCollected is sent back after the GPU process successfully
+  // initializes GL.
+  TRACE_EVENT0("test_gpu", "OnGraphicsInfoCollected");
+
+  GpuDataManager::GetInstance()->UpdateGpuInfo(gpu_info);
+}
+
 #if defined(TOOLKIT_USES_GTK) || defined(OS_WIN)
 
 void GpuProcessHostUIShim::OnResizeView(int32 renderer_id,
                                         int32 render_view_id,
                                         int32 route_id,
                                         gfx::Size size) {
   // Always respond even if the window no longer exists. The GPU process cannot
   // make progress on the resizing command buffer until it receives the
   // response.
   ScopedSendOnIOThread delayed_send(
@@ skipping 135 matching lines @@
 void GpuProcessHostUIShim::OnAcceleratedSurfaceRelease(
     const GpuHostMsg_AcceleratedSurfaceRelease_Params& params) {
   RenderWidgetHostView* view = GetRenderWidgetHostViewFromID(
       params.renderer_id, params.render_view_id);
   if (!view)
     return;
   view->AcceleratedSurfaceRelease(params.identifier);
 }
 
 #endif