Not for check-in. Manually reviewable parts of https://codereview.chromium.org/11570009/

chrome/browser/prefs/pref_service_simple.h

Index: chrome/browser/prefs/pref_service_simple.h
diff --git a/chrome/browser/prefs/pref_service_simple.h b/chrome/browser/prefs/pref_service_simple.h
new file mode 100644
index 0000000000000000000000000000000000000000..2bc43ec62803a92f20af9a909d733dee77dca1c5
--- /dev/null
+++ b/chrome/browser/prefs/pref_service_simple.h
@@ -0,0 +1,35 @@
+// 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_PREFS_PREF_SERVICE_SIMPLE_H_
+#define CHROME_BROWSER_PREFS_PREF_SERVICE_SIMPLE_H_
+
+#include "chrome/browser/prefs/pref_service.h"
+
+// A simple PrefService implementation.
+class PrefServiceSimple : public PrefService {
+ public:
+  void RegisterBooleanPref(const char* path, bool default_value);
+  void RegisterIntegerPref(const char* path, int default_value);
+  void RegisterDoublePref(const char* path, double default_value);
+  void RegisterStringPref(const char* path, const std::string& default_value);
+  void RegisterFilePathPref(const char* path, const FilePath& default_value);
+  void RegisterListPref(const char* path);
+  void RegisterDictionaryPref(const char* path);
+  void RegisterListPref(const char* path, base::ListValue* default_value);
+  void RegisterDictionaryPref(
+      const char* path, base::DictionaryValue* default_value);
+  void RegisterInt64Pref(const char* path,
+                         int64 default_value);
+ protected:
+  // Only use ChromePrefServiceFactory to create initialized PrefServiceSimple
+  // objects.
+  PrefServiceSimple();
+
+  // Constructs objects.
+  friend class ChromePrefServiceFactory;
+  friend class PrefServiceMockBuilder;
+};
+
+#endif  // CHROME_BROWSER_PREFS_PREF_SERVICE_SIMPLE_H_