Add capability for GPU blacklist to manage GPU switching.

chrome/browser/ui/webui/gpu_internals_ui.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 "chrome/browser/ui/webui/gpu_internals_ui.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 322 matching lines @@
         if (kGpuFeatureInfo[i].name == "css_animation") {
           if (has_thread)
             status = "accelerated_threaded";
           else
             status = "accelerated";
         }
       }
       feature_status_list->Append(
           NewStatusValue(kGpuFeatureInfo[i].name.c_str(), status.c_str()));
     }
-
+    content::GPUInfo gpu_info = GpuDataManager::GetInstance()->GetGPUInfo();
+    if (gpu_info.secondary_gpus.size() > 0 ||
+        gpu_info.optimus || gpu_info.amd_switchable) {
+      std::string gpu_switching;
+      switch (GpuDataManager::GetInstance()->GetGpuSwitchingOption()) {
+        case content::GPU_SWITCHING_AUTOMATIC:
+          gpu_switching = "gpu_switching_automatic";
+          break;
+        case content::GPU_SWITCHING_FORCE_DISCRETE:
+          gpu_switching = "gpu_switching_force_discrete";
+          break;
+        case content::GPU_SWITCHING_FORCE_INTEGRATED:
+          gpu_switching = "gpu_switching_force_integrated";
+          break;
+        default:
+          break;
+      }
+      feature_status_list->Append(
+          NewStatusValue("gpu_switching", gpu_switching.c_str()));
+    }
     status->Set("featureStatus", feature_status_list);
   }
 
   // Build the problems list.
   {
     ListValue* problem_list =
         GpuDataManager::GetInstance()->GetBlacklistReasons();
 
     if (gpu_access_blocked) {
       DictionaryValue* problem = new DictionaryValue();
@@ skipping 269 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 
 GpuInternalsUI::GpuInternalsUI(content::WebUI* web_ui)
     : WebUIController(web_ui) {
   web_ui->AddMessageHandler(new GpuMessageHandler());
 
   // Set up the chrome://gpu-internals/ source.
   Profile* profile = Profile::FromWebUI(web_ui);
   ChromeURLDataManager::AddDataSource(profile, CreateGpuHTMLSource());
 }