Cleaning up CRWBrowsingDataMode

ios/web/public/crw_browsing_data_store.h

 // Copyright 2015 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 IOS_WEB_CRW_BROWSING_DATA_STORE_H_
 #define IOS_WEB_CRW_BROWSING_DATA_STORE_H_
 
 #import <Foundation/Foundation.h>
 
 #import "base/ios/block_types.h"
 #import "ios/web/public/crw_browsing_data_store_delegate.h"
 
 namespace web {
 class BrowserState;
 
 // Represents the various kinds of browsing data that a CRWBrowsingDataStore
 // can handle.
 typedef NS_OPTIONS(NSUInteger, BrowsingDataTypes) {
   // Represents the cookie browsing data that a web view stores.
   BROWSING_DATA_TYPE_COOKIES = 1 << 0,
   // Represents all the browsing data that a web view stores.
   BROWSING_DATA_TYPE_ALL = BROWSING_DATA_TYPE_COOKIES,
 };
 
+// Represents the modes that a CRWBrowsingDataStore can be in.
+typedef NS_ENUM(NSUInteger, BrowsingDataStoreMode) {
+  // Web views (associated transitively through the BrowseState) are
+  // flushing/reading their data from disk.
+  ACTIVE = 1,
+  // The CRWBrowsingDataStore's mode is in the process of becoming either ACTIVE
+  // or INACTIVE.
+  CHANGING,
+  // Browsing data is stored in a path unique to the BrowserState and is
+  // currently not being read or written to by web views.
+  INACTIVE,
+};
+
 }  // namespace web
 
-// Represents the modes that a CRWBrowsingDataStore is currently at.
-enum CRWBrowsingDataStoreMode {
-  // Web views (associated transitively through the BrowseState) are
-  // flushing/reading their data from disk.
-  ACTIVE,
-  // The CRWBrowsingDataStore's mode is in the process of becoming either ACTIVE
-  // or INACTIVE.
-  SYNCHRONIZING,
-  // Browsing data is stored in a path unique to the BrowserState and is
-  // currently not being read or written to by web views.
-  INACTIVE
-};
-
 // A CRWBrowsingDataStore represents various types of data that a web view
 // (UIWebView and WKWebView) uses.
 // All methods must be called on the UI thread.
 @interface CRWBrowsingDataStore : NSObject
 
 // Designated initializer. |browserState| cannot be null.
 // The initial mode of the CRWBrowsingDataStore is obtained from the active
 // state of the |web::ActiveStateManager| associated with |browserState|.
 - (instancetype)initWithBrowserState:(web::BrowserState*)browserState
     NS_DESIGNATED_INITIALIZER;
 
 // The delegate that is consulted when the mode needs to change.
 @property(nonatomic, weak) id<CRWBrowsingDataStoreDelegate> delegate;
 
 // The mode that the CRWBrowsingDataStore is in. KVO compliant.
-@property(nonatomic, assign, readonly) CRWBrowsingDataStoreMode mode;
+@property(nonatomic, assign, readonly) web::BrowsingDataStoreMode mode;
 
 // TODO(shreyasv): Verify the preconditions for the following 3 methods when
 // web::WebViewCounter class is implemented. crbug.com/480507
 
 // Changes the mode to |ACTIVE|.
 // if there is no delegate present, the default behavior of this method is to
 // restore browsing data from |browserState|'s stash path to the canonical path
 // where web views read/write browsing data to.
 // |completionHandler| is called on the main thread. This block has no return
 // value and takes a single BOOL argument that indicates whether or not the
@@ skipping 27 matching lines @@
 
 // Returns YES if there is still a pending operation that has not finished
 // running. Creating web views (UIWebViews and WKWebViews) with this
 // CRWBrowsingDataStore when there are pending operations is undefined
 // behavior.
 @property(nonatomic, assign, readonly) BOOL hasPendingOperations;
 
 @end
 
 #endif  // IOS_WEB_CRW_BROWSING_DATA_STORE_H_