Get rid of wstring variants of StringToFoo.

chrome/browser/page_state.cc

 // Copyright (c) 2006-2008 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 "base/basictypes.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "chrome/browser/page_state.h"
 #include "chrome/common/json_value_serializer.h"
 #include "googleurl/src/gurl.h"
@@ skipping 64 matching lines @@
   return false;
 }
 
 void PageState::SetInt64Property(const std::wstring& key, int64 value) {
   SetProperty(key, Int64ToWString(value));
 }
 
 bool PageState::GetInt64Property(const std::wstring& key, int64* value) const {
   std::wstring v;
   if (GetProperty(key, &v)) {
-    return StringToInt64(v, value);
+    return StringToInt64(WideToUTF16Hack(v), value);
   }
   return false;
 }
 
 void PageState::SetIntProperty(const std::wstring& key, int value) {
   SetProperty(key, IntToWString(value));
 }
 
 bool PageState::GetIntProperty(const std::wstring& key, int* value) const {
   std::wstring v;
   if (GetProperty(key, &v)) {
-    return StringToInt(v, value);
+    return StringToInt(WideToUTF16Hack(v), value);
   }
   return false;
 }
 
 PageState* PageState::Copy() const {
   PageState* copy = new PageState();
   if (state_.get())
     copy->state_.reset(static_cast<DictionaryValue*>(state_->DeepCopy()));
   return copy;
 }
-