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

chrome/browser/browsing_data/browsing_data_quota_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_QUOTA_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_QUOTA_HELPER_H_
 
 #include <list>
 #include <string>
 
@@ skipping 23 matching lines @@
     : public base::RefCountedThreadSafe<BrowsingDataQuotaHelper,
                                         BrowsingDataQuotaHelperDeleter> {
  public:
   // QuotaInfo contains host-based quota and usage information for persistent
   // and temporary storage.
   struct QuotaInfo {
     QuotaInfo();
     explicit QuotaInfo(const std::string& host);
     QuotaInfo(const std::string& host,
               int64 temporary_usage,
-              int64 persistent_usage);
+              int64 persistent_usage,
+              int64 syncable_usage);
     ~QuotaInfo();
 
     // Certain versions of MSVC 2008 have bad implementations of ADL for nested
     // classes so they require these operators to be declared here instead of in
     // the global namespace.
     bool operator <(const QuotaInfo& rhs) const;
     bool operator ==(const QuotaInfo& rhs) const;
 
     std::string host;
     int64 temporary_usage;
     int64 persistent_usage;
+    int64 syncable_usage;
   };
 
   typedef std::list<QuotaInfo> QuotaInfoArray;
   typedef base::Callback<void(const QuotaInfoArray&)> FetchResultCallback;
 
   static BrowsingDataQuotaHelper* Create(Profile* profile);
 
   virtual void StartFetching(const FetchResultCallback& callback) = 0;
 
   virtual void RevokeHostQuota(const std::string& host) = 0;
 
  protected:
   explicit BrowsingDataQuotaHelper(base::MessageLoopProxy* io_thread_);
   virtual ~BrowsingDataQuotaHelper();
 
  private:
   friend class base::DeleteHelper<BrowsingDataQuotaHelper>;
   friend struct BrowsingDataQuotaHelperDeleter;
   scoped_refptr<base::MessageLoopProxy> io_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowsingDataQuotaHelper);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_QUOTA_HELPER_H_