Cleaned up usage of std::wstring in src/remoting. Added presubmit warning supressions for the reman…

remoting/host/policy_hack/policy_watcher_win.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.
 
 // Most of this code is copied from various classes in
 // src/chrome/browser/policy. In particular, look at
 //
 //   configuration_policy_provider_delegate_win.{h,cc}
 //   configuration_policy_loader_win.{h,cc}
 //
@@ skipping 96 matching lines @@
       machine_policy_watcher_failed_ = true;
      }
 
     if (user_policy_watcher_failed_ || machine_policy_watcher_failed_) {
       ScheduleFallbackReloadTask();
     }
   }
 
   bool GetRegistryPolicyString(const std::string& value_name,
                                std::string* result) const {
+    // presubmit: allow wstring
     std::wstring value_name_wide = UTF8ToWide(value_name);
+    // presubmit: allow wstring
     std::wstring value;
     RegKey policy_key(HKEY_LOCAL_MACHINE, kRegistrySubKey, KEY_READ);
     if (policy_key.ReadValue(value_name_wide.c_str(), &value) ==
         ERROR_SUCCESS) {
       *result = WideToUTF8(value);
       return true;
     }
 
     if (policy_key.Open(HKEY_CURRENT_USER, kRegistrySubKey, KEY_READ) ==
       ERROR_SUCCESS) {
       if (policy_key.ReadValue(value_name_wide.c_str(), &value) ==
           ERROR_SUCCESS) {
         *result = WideToUTF8(value);
         return true;
       }
     }
     return false;
   }
 
   bool GetRegistryPolicyInteger(const std::string& value_name,
                                 uint32* result) const {
+    // presubmit: allow wstring
     std::wstring value_name_wide = UTF8ToWide(value_name);
     DWORD value = 0;
     RegKey policy_key(HKEY_LOCAL_MACHINE, kRegistrySubKey, KEY_READ);
     if (policy_key.ReadValueDW(value_name_wide.c_str(), &value) ==
         ERROR_SUCCESS) {
       *result = value;
       return true;
     }
 
     if (policy_key.Open(HKEY_CURRENT_USER, kRegistrySubKey, KEY_READ) ==
@@ skipping 62 matching lines @@
   bool machine_policy_watcher_failed_;
 };
 
 PolicyWatcher* PolicyWatcher::Create(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
   return new PolicyWatcherWin(task_runner);
 }
 
 }  // namespace policy_hack
 }  // namespace remoting