Move GPUFeatureChecker to content layer

chrome/browser/extensions/chrome_requirements_checker.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/extensions/chrome_requirements_checker.h"
 
 #include "base/bind.h"
 #include "build/build_config.h"
-#include "chrome/browser/gpu/gpu_feature_checker.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/gpu_feature_checker.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest.h"
 #include "extensions/common/manifest_handlers/requirements_info.h"
 #include "gpu/config/gpu_feature_type.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace extensions {
 
 ChromeRequirementsChecker::ChromeRequirementsChecker()
     : pending_requirement_checks_(0), weak_ptr_factory_(this) {
@@ skipping 20 matching lines @@
 
   if (requirements.window_shape) {
 #if !defined(USE_AURA)
     errors_.push_back(
         l10n_util::GetStringUTF8(IDS_EXTENSION_WINDOW_SHAPE_NOT_SUPPORTED));
 #endif
   }
 
   if (requirements.webgl) {
     ++pending_requirement_checks_;
-    webgl_checker_ = new GPUFeatureChecker(
+    webgl_checker_ = content::GpuFeatureChecker::Create(
         gpu::GPU_FEATURE_TYPE_WEBGL,
         base::Bind(&ChromeRequirementsChecker::SetWebGLAvailability,
                    weak_ptr_factory_.GetWeakPtr()));
   }
 
   if (pending_requirement_checks_ == 0) {
     content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
                                      base::Bind(callback_, errors_));
     // Reset the callback so any ref-counted bound parameters will get released.
     callback_.Reset();
     return;
   }
   // Running the GPU checkers down here removes any race condition that arises
   // from the use of pending_requirement_checks_.
   if (webgl_checker_.get())
-    webgl_checker_->CheckGPUFeatureAvailability();
+    webgl_checker_->CheckGpuFeatureAvailability();
 }
 
 void ChromeRequirementsChecker::SetWebGLAvailability(bool available) {
   if (!available) {
     errors_.push_back(
         l10n_util::GetStringUTF8(IDS_EXTENSION_WEBGL_NOT_SUPPORTED));
   }
   MaybeRunCallback();
 }
 
 void ChromeRequirementsChecker::MaybeRunCallback() {
   if (--pending_requirement_checks_ == 0) {
     content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
                                      base::Bind(callback_, errors_));
     // Reset the callback so any ref-counted bound parameters will get released.
     callback_.Reset();
     errors_.clear();
   }
 }
 
 }  // namespace extensions