Make GpuDataManager thread safe.

chrome/browser/component_updater/swiftshader_component_installer.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/component_updater/swiftshader_component_installer.h"
 
 #include "base/bind.h"
 #include "base/base_paths.h"
 #include "base/compiler_specific.h"
 #include "base/cpu.h"
@@ skipping 163 matching lines @@
 };
 
 UpdateChecker::UpdateChecker(ComponentUpdateService* cus)
   : cus_(cus) {
 }
 
 void UpdateChecker::OnGpuInfoUpdate() {
   GpuDataManager *gpu_data_manager = GpuDataManager::GetInstance();
 
   if (!gpu_data_manager->GpuAccessAllowed() ||
-      (gpu_data_manager->GetGpuFeatureType() &
+      (gpu_data_manager->GetBlacklistedFeatures() &
        content::GPU_FEATURE_TYPE_WEBGL) ||
       gpu_data_manager->ShouldUseSoftwareRendering()) {
     gpu_data_manager->RemoveObserver(this);
     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
     FilePath path = GetSwiftShaderBaseDirectory();
 
     Version version(kNullVersion);
     GetLatestSwiftShaderDirectory(&path, &version, NULL);
 
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
@@ skipping 35 matching lines @@
 void RegisterSwiftShaderComponent(ComponentUpdateService* cus) {
 #if defined(ENABLE_SWIFTSHADER)
   base::CPU cpu;
 
   if (!cpu.has_sse2())
     return;
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
       base::Bind(&RegisterSwiftShaderPath, cus));
 #endif
 }