Add ManagedModePolicyProvider and extension API to get and set policies.

chrome/common/chrome_constants.h

 // 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.
 
 // A handful of resource-like constants related to the Chrome application.
 
 #ifndef CHROME_COMMON_CHROME_CONSTANTS_H_
 #define CHROME_COMMON_CHROME_CONSTANTS_H_
 #pragma once
 
@@ skipping 69 matching lines @@
 extern const wchar_t kUserDataDirname[];
 extern const FilePath::CharType kWebDataFilename[];
 extern const FilePath::CharType kBookmarksFileName[];
 extern const FilePath::CharType kHistoryBookmarksFileName[];
 extern const FilePath::CharType kCustomDictionaryFileName[];
 extern const FilePath::CharType kLoginDataFileName[];
 extern const FilePath::CharType kJumpListIconDirname[];
 extern const FilePath::CharType kWebAppDirname[];
 extern const FilePath::CharType kServiceStateFileName[];
 extern const FilePath::CharType kReadmeFilename[];
+extern const FilePath::CharType kManagedModePolicyFilename[];
 
 #if defined(OS_CHROMEOS)
 extern const FilePath::CharType kGDataCacheDirname[];
 #endif  // defined(OS_CHROMEOS)
 
 // File name of the Pepper Flash plugin on different platforms.
 extern const FilePath::CharType kPepperFlashPluginFilename[];
 
 extern const bool kRecordModeEnabled;
 
@@ skipping 38 matching lines @@
 extern const wchar_t kMetroChromeUserDataSubDir[];
 // Used by Metro Chrome to initiate navigation and search requests.
 extern const wchar_t kMetroNavigationAndSearchMessage[];
 // Used by Metro Chrome to get information about the current tab.
 extern const wchar_t kMetroGetCurrentTabInfoMessage[];
 #endif
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_CONSTANTS_H_