Adds local storage nodes to cookie tree model and cookies view.

chrome/browser/browsing_data_local_storage_helper.h

Index: chrome/browser/browsing_data_local_storage_helper.h
===================================================================
--- chrome/browser/browsing_data_local_storage_helper.h	(revision 0)
+++ chrome/browser/browsing_data_local_storage_helper.h	(revision 0)
@@ -0,0 +1,98 @@
+// Copyright (c) 2009 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_
+
+#include <string>
+
+#include "base/file_path.h"
+#include "base/scoped_ptr.h"
+#include "base/task.h"
+
+class Profile;
+
+// This class fetches local storage information in the WebKit thread, and
+// notifies the UI thread upon completion.
+// A client of this class need to call StartFetching from the UI thread to
+// initiate the flow, and it'll be notified by the callback in its UI
+// thread at some later point.
+// The client must call CancelNotification() if it's destroyed before the
+// callback is notified.
+class BrowsingDataLocalStorageHelper
+    : public base::RefCountedThreadSafe<BrowsingDataLocalStorageHelper> {
+ public:
+  // Contains detailed information about local storage.
+  struct LocalStorageInfo {
+    LocalStorageInfo(
+        const std::string& protocol,
+        const std::string& host,
+        unsigned short port,
+        const std::string& database_identifier,
+        const std::string& origin,
+        const FilePath& file_path,
+        int64 size,
+        base::Time last_modified)
+        : protocol(protocol),
+          host(host),
+          port(port),
+          database_identifier(database_identifier),
+          origin(origin),
+          file_path(file_path),
+          size(size),
+          last_modified(last_modified) {
+    }
+
+    std::string protocol;
+    std::string host;
+    unsigned short port;
+    std::string database_identifier;
+    std::string origin;
+    FilePath file_path;
+    int64 size;
+    base::Time last_modified;
+  };
+
+  explicit BrowsingDataLocalStorageHelper(Profile* profile);
+
+  // Starts the fetching process, which will notify its completion via
+  // callback.
+  // This must be called only in the UI thread.
+  virtual void StartFetching(
+      Callback1<const std::vector<LocalStorageInfo>& >::Type* callback);
+  // Cancels the notification callback (i.e., the window that created it no
+  // longer exists).
+  // This must be called only in the UI thread.
+  virtual void CancelNotification();
+  // Requests a single local storage file to be deleted in the WEBKIT thread.
+  virtual void DeleteLocalStorageFile(const FilePath& file_path);
+  // Requests all local storage files to be deleted in the WEBKIT thread.
+  virtual void DeleteAllLocalStorageFiles();
+
+ private:
+  // Enumerates all local storage files in the WEBKIT thread.
+  void FetchLocalStorageInfoInWebKitThread();
+  // Notifies the completion callback in the UI thread.
+  void NotifyInUIThread();
+  // Delete a single local storage file in the WEBKIT thread.
+  void DeleteLocalStorageFileInWebKitThread(const FilePath& file_path);
+  // Delete all local storage files in the WEBKIT thread.
+  void DeleteAllLocalStorageFilesInWebKitThread();
+
+  Profile* profile_;
+  // This only mutates on the UI thread.
+  scoped_ptr<Callback1<const std::vector<LocalStorageInfo>& >::Type >
+      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::vector<LocalStorageInfo> local_storage_info_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowsingDataLocalStorageHelper);
+};
+
+#endif  // CHROME_BROWSER_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_