Remove deprecated wstring Get(As)String() methods from Value, etc.

chrome/browser/pref_service.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/pref_service.h"
 
 #include <algorithm>
 #include <string>
 
 #include "app/l10n_util.h"
@@ skipping 649 matching lines @@
 }
 
 int64 PrefService::GetInt64(const char* path) const {
   DCHECK(CalledOnValidThread());
 
   const Preference* pref = FindPreference(path);
   if (!pref) {
     NOTREACHED() << "Trying to read an unregistered pref: " << path;
     return 0;
   }
-  std::wstring result(L"0");
+  std::string result("0");
   bool rv = pref->GetValue()->GetAsString(&result);
   DCHECK(rv);
 
   int64 val;
-  base::StringToInt64(WideToUTF8(result), &val);
+  base::StringToInt64(result, &val);
   return val;
 }
 
 void PrefService::RegisterInt64Pref(const char* path, int64 default_value) {
   Preference* pref = new Preference(pref_value_store_.get(), path,
       Value::CreateStringValue(base::Int64ToString(default_value)));
   RegisterPreference(pref);
 }
 
 DictionaryValue* PrefService::GetMutableDictionary(const char* path) {
@@ skipping 144 matching lines @@
       ChromeThread::PostTask(
           ChromeThread::UI, FROM_HERE,
           NewRunnableMethod(
               pref_value_store_.get(),
               &PrefValueStore::RefreshPolicyPrefs,
               ConfigurationPolicyPrefStore::CreateManagedPolicyPrefStore(),
               ConfigurationPolicyPrefStore::CreateRecommendedPolicyPrefStore(),
               callback));
   }
 }