Clear browsing data clears data for type kStorageTypeTemporary but not for kStorageTypeSyncable.

chrome/browser/browsing_data/browsing_data_file_system_helper.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.
 
 #ifndef CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_FILE_SYSTEM_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_FILE_SYSTEM_HELPER_H_
 
 #include <list>
 #include <string>
 
@@ skipping 32 matching lines @@
     : public base::RefCountedThreadSafe<BrowsingDataFileSystemHelper> {
  public:
   // Detailed information about a file system, including it's origin GURL,
   // the presence or absence of persistent and temporary storage, and the
   // amount of data (in bytes) each contains.
   struct FileSystemInfo {
     FileSystemInfo(
         const GURL& origin,
         bool has_persistent,
         bool has_temporary,
+        bool has_syncable,
         int64 usage_persistent,
-        int64 usage_temporary);
+        int64 usage_temporary,
+        int64 usage_syncable);
     ~FileSystemInfo();
 
     // The origin for which the information is relevant.
     GURL origin;
     // True if the origin has a persistent file system.
     bool has_persistent;
     // True if the origin has a temporary file system.
     bool has_temporary;
+    // True if the origin has a syncable file system.
+    bool has_syncable;
     // Persistent file system usage, in bytes.
     int64 usage_persistent;
     // Temporary file system usage, in bytes.
     int64 usage_temporary;
+    // Syncable file system usage, in bytes.
+    int64 usage_syncable;
   };
 
   // Creates a BrowsingDataFileSystemHelper instance for the file systems
   // stored in |profile|'s user data directory. The BrowsingDataFileSystemHelper
   // object will hold a reference to the Profile that's passed in, but is not
   // responsible for destroying it.
   //
   // The BrowsingDataFileSystemHelper will not change the profile itself, but
   // can modify data it contains (by removing file systems).
   static BrowsingDataFileSystemHelper* Create(
@@ skipping 96 matching lines @@
   // Indicates whether or not we're currently fetching information: set to true
   // when StartFetching is called on the UI thread, and reset to false when
   // NotifyOnUIThread triggers the success callback.
   // This property only mutates on the UI thread.
   bool is_fetching_;
 
   DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataFileSystemHelper);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_FILE_SYSTEM_HELPER_H_