Make the content::DOMStorageContext methods callable on the main thread and hide the threading deta…

chrome/browser/browsing_data_local_storage_helper.h

 // Copyright (c) 2011 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_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_
 #pragma once
 
 #include <list>
 #include <set>
@@ skipping 66 matching lines @@
   // Requests a single local storage file to be deleted in the WEBKIT thread.
   virtual void DeleteLocalStorageFile(const FilePath& file_path);
 
  protected:
   friend class base::RefCountedThreadSafe<BrowsingDataLocalStorageHelper>;
   virtual ~BrowsingDataLocalStorageHelper();
 
   // Notifies the completion callback in the UI thread.
   void NotifyInUIThread();
 
-  scoped_refptr<content::DOMStorageContext> dom_storage_context_;
+  // Owned by the profile
+  content::DOMStorageContext* dom_storage_context_;
 
   // This only mutates on the UI thread.
   base::Callback<void(const std::list<LocalStorageInfo>&)> completion_callback_;
 
   // Indicates whether or not we're currently fetching information:
   // it's true when StartFetching() is called in the UI thread, and it's reset
   // after we notified the callback in the UI thread.
   // This only mutates on the UI thread.
   bool is_fetching_;
 
   // This only mutates in the WEBKIT thread.
   std::list<LocalStorageInfo> local_storage_info_;
 
  private:
-  // Enumerates all local storage files in a sequenced task.
-  void FetchLocalStorageInfoHelper();
-  // Delete a single local storage file in a sequenced task.
-  void DeleteLocalStorageFileHelper(const FilePath& file_path);
+  // Called back with the all the local storage files.
+  void GetAllStorageFilesCallback(const std::vector<FilePath>& files);
+  // Get the file info on the file thread.
+  void FetchLocalStorageInfo(const std::vector<FilePath>& files);
 
   DISALLOW_COPY_AND_ASSIGN(BrowsingDataLocalStorageHelper);
 };
 
 // This class is a thin wrapper around BrowsingDataLocalStorageHelper that does
 // not fetch its information from the local storage tracker, but gets them
 // passed as a parameter during construction.
 class CannedBrowsingDataLocalStorageHelper
     : public BrowsingDataLocalStorageHelper {
  public:
@@ skipping 27 matching lines @@
   void ConvertPendingInfo();
 
   std::set<GURL> pending_local_storage_info_;
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataLocalStorageHelper);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_