Convert GetDisplayStringInLTRDirectionality from wstring to string16.

chrome/browser/task_manager.cc

 // Copyright (c) 2010 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/task_manager.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/number_formatting.h"
@@ skipping 108 matching lines @@
   return WideToUTF16Hack(resources_[index]->GetTitle());
 }
 
 string16 TaskManagerModel::GetResourceNetworkUsage(int index) const {
   DCHECK(index < ResourceCount());
   int64 net_usage = GetNetworkUsage(resources_[index]);
   if (net_usage == -1)
     return l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT);
   if (net_usage == 0)
     return ASCIIToUTF16("0");
-  std::wstring net_byte =
-      FormatSpeed(net_usage, GetByteDisplayUnits(net_usage), true);
+  string16 net_byte = WideToUTF16(
+      FormatSpeed(net_usage, GetByteDisplayUnits(net_usage), true));
   // Force number string to have LTR directionality.
-  base::i18n::GetDisplayStringInLTRDirectionality(&net_byte);
-  return WideToUTF16Hack(net_byte);
+  return base::i18n::GetDisplayStringInLTRDirectionality(net_byte);
 }
 
 string16 TaskManagerModel::GetResourceCPUUsage(int index) const {
   DCHECK(index < ResourceCount());
   return WideToUTF16Hack(StringPrintf(
 #if defined(OS_MACOSX)
       // Activity Monitor shows %cpu with one decimal digit -- be
       // consistent with that.
       L"%.1f",
 #else
@@ skipping 830 matching lines @@
   MetricsMap::const_iterator iter = metrics_map_.find(handle);
   if (iter == metrics_map_.end())
     return false;
 
   if (!iter->second->GetMemoryBytes(&usage->first, &usage->second))
     return false;
 
   memory_usage_map_.insert(std::make_pair(handle, *usage));
   return true;
 }