Make ExtensionPrefValueMap a ProfileKeyedService.

chrome/browser/extensions/extension_pref_value_map_factory.h

Index: chrome/browser/extensions/extension_pref_value_map_factory.h
diff --git a/chrome/browser/extensions/extension_pref_value_map_factory.h b/chrome/browser/extensions/extension_pref_value_map_factory.h
new file mode 100644
index 0000000000000000000000000000000000000000..10a9058d676c19cec86985b750d755830483eb84
--- /dev/null
+++ b/chrome/browser/extensions/extension_pref_value_map_factory.h
@@ -0,0 +1,29 @@
+// 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_PREF_VALUE_MAP_FACTORY_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREF_VALUE_MAP_FACTORY_H_
+
+#include "base/memory/singleton.h"
+#include "chrome/browser/profiles/profile_keyed_service_factory.h"
+
+class ExtensionPrefValueMap;
+
+class ExtensionPrefValueMapFactory : public ProfileKeyedServiceFactory {
+ public:
+  static ExtensionPrefValueMap* GetForProfile(Profile* profile);
+
+  static ExtensionPrefValueMapFactory* GetInstance();
+
+ private:
+  friend struct DefaultSingletonTraits<ExtensionPrefValueMapFactory>;
+
+  ExtensionPrefValueMapFactory();
+  virtual ~ExtensionPrefValueMapFactory();
+
+  virtual ProfileKeyedService* BuildServiceInstanceFor(
+      Profile* profile) const OVERRIDE;
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREF_VALUE_MAP_FACTORY_H_