Rename TaskRunner::RunsTasksOnCurrentThread() in //chrome

chrome/browser/chromeos/system/input_device_settings_impl_x11.cc

 // Copyright 2014 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/chromeos/system/input_device_settings.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "base/process/kill.h"
 #include "base/process/launch.h"
 #include "base/process/process_handle.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
 #include "base/task_runner.h"
 #include "base/threading/sequenced_worker_pool.h"
+#include "base/threading/thread_restrictions.h"
 #include "chrome/browser/chromeos/system/fake_input_device_settings.h"
 #include "content/public/browser/browser_thread.h"
 #include "ui/events/base_event_utils.h"
 #include "ui/events/devices/x11/device_data_manager_x11.h"
 #include "ui/events/devices/x11/device_list_cache_x11.h"
 #include "ui/events/devices/x11/touch_factory_x11.h"
 #include "ui/gfx/x/x11_types.h"
 
 namespace chromeos {
 namespace system {
 
 namespace {
 
 InputDeviceSettings* g_instance = nullptr;
 
 const char kDeviceTypeTouchpad[] = "touchpad";
 const char kDeviceTypeMouse[] = "mouse";
 const char kInputControl[] = "/opt/google/input/inputcontrol";
 
 // The name of the xinput device corresponding to the internal touchpad.
 const char kInternalTouchpadName[] = "Elan Touchpad";
 
 typedef base::RefCountedData<bool> RefCountedBool;
 
 bool ScriptExists(const std::string& script) {
-  DCHECK(content::BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
+  base::ThreadRestrictions::AssertIOAllowed();
   return base::PathExists(base::FilePath(script));
 }
 
 // Executes the input control script asynchronously, if it exists.
 void ExecuteScriptOnFileThread(const std::vector<std::string>& argv) {
-  DCHECK(content::BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
+  base::ThreadRestrictions::AssertIOAllowed();
   DCHECK(!argv.empty());
   const std::string& script(argv[0]);
 
   // Script must exist on device and is of correct format.
   DCHECK(script.compare(kInputControl) == 0);
   DCHECK(!base::SysInfo::IsRunningOnChromeOS() || ScriptExists(script));
 
   if (!ScriptExists(script))
     return;
 
@@ skipping 31 matching lines @@
 }
 
 void AddTPControlArguments(const char* control,
                            bool enabled,
                            std::vector<std::string>* argv) {
   argv->push_back(base::StringPrintf("--%s=%d", control, enabled ? 1 : 0));
 }
 
 void DeviceExistsBlockingPool(const char* device_type,
                               scoped_refptr<RefCountedBool> exists) {
-  DCHECK(content::BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
+  base::ThreadRestrictions::AssertIOAllowed();
   exists->data = false;
   if (!ScriptExists(kInputControl))
     return;
 
   std::vector<std::string> argv;
   argv.push_back(kInputControl);
   argv.push_back(base::StringPrintf("--type=%s", device_type));
   argv.push_back("--list");
   std::string output;
   // Output is empty if the device is not found.
@@ skipping 233 matching lines @@
     if (base::SysInfo::IsRunningOnChromeOS())
       g_instance = new InputDeviceSettingsImplX11;
     else
       g_instance = new FakeInputDeviceSettings;
   }
   return g_instance;
 }
 
 }  // namespace system
 }  // namespace chromeos