Converted IncognitoForced boolean policy into IncognitoModeAvailability enum policy.

chrome/browser/prefs/pref_value_map.cc

 // Copyright (c) 2011 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/prefs/pref_value_map.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/stl_util.h"
 #include "base/values.h"
@@ skipping 84 matching lines @@
                              std::string* value) const {
   const Value* stored_value = NULL;
   return GetValue(key, &stored_value) && stored_value->GetAsString(value);
 }
 
 void PrefValueMap::SetString(const std::string& key,
                              const std::string& value) {
   SetValue(key, Value::CreateStringValue(value));
 }
 
+bool PrefValueMap::GetInteger(const std::string& key, int* value) const {
+  const Value* stored_value = NULL;
+  return GetValue(key, &stored_value) && stored_value->GetAsInteger(value);
+}
+
+void PrefValueMap::SetInteger(const std::string& key, const int value) {
+  SetValue(key, Value::CreateIntegerValue(value));
+}
+
 void PrefValueMap::GetDifferingKeys(
     const PrefValueMap* other,
     std::vector<std::string>* differing_keys) const {
   differing_keys->clear();
 
   // Walk over the maps in lockstep, adding everything that is different.
   Map::const_iterator this_pref(prefs_.begin());
   Map::const_iterator other_pref(other->prefs_.begin());
   while (this_pref != prefs_.end() && other_pref != other->prefs_.end()) {
     const int diff = this_pref->first.compare(other_pref->first);
@@ skipping 10 matching lines @@
       ++other_pref;
     }
   }
 
   // Add the remaining entries.
   for ( ; this_pref != prefs_.end(); ++this_pref)
       differing_keys->push_back(this_pref->first);
   for ( ; other_pref != other->prefs_.end(); ++other_pref)
       differing_keys->push_back(other_pref->first);
 }