Migrate HostZoomMap to live in StoragePartition.

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_
 
 #include "base/files/file_path.h"
@@ skipping 71 matching lines @@
 extern const base::FilePath::CharType kShortcutsDatabaseName[];
 extern const base::FilePath::CharType kSingletonCookieFilename[];
 extern const base::FilePath::CharType kSingletonLockFilename[];
 extern const base::FilePath::CharType kSingletonSocketFilename[];
 extern const base::FilePath::CharType kSupervisedUserSettingsFilename[];
 extern const base::FilePath::CharType kSyncCredentialsFilename[];
 extern const base::FilePath::CharType kThemePackFilename[];
 extern const base::FilePath::CharType kThumbnailsFilename[];
 extern const base::FilePath::CharType kTopSitesFilename[];
 extern const base::FilePath::CharType kWebAppDirname[];
+extern const base::FilePath::CharType kZoomLevelPreferencesFilename[];
 
 // File name of the Pepper Flash plugin on different platforms.
 extern const base::FilePath::CharType kPepperFlashPluginFilename[];
 
 // directory names
 extern const wchar_t kUserDataDirname[];
 
 extern const bool kRecordModeEnabled;
 
 // If a WebContents is impolite and displays a second JavaScript alert within
@@ skipping 56 matching lines @@
 extern const char kApplicationClientIDStringForAVScanning[];
 
 #if defined(OS_ANDROID)
 // The largest reasonable length we'd assume for a meta tag attribute.
 extern const size_t kMaxMetaTagAttributeLength;
 #endif
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_CONSTANTS_H_