[Sync] Prevent uploading throttled datatypes.

chrome/browser/sync/engine/syncer.cc

 // 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.
 
 #include "chrome/browser/sync/engine/syncer.h"
 
 #include "base/debug/trace_event.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 127 matching lines @@
         // intended for the next session into the current one.  We could do a
         // test-and-reset as with the source, but note that also falls short if
         // the commit request fails (e.g. due to lost connection), as we will
         // fall all the way back to the syncer thread main loop in that case,
         // creating a new session when a connection is established, losing the
         // records set here on the original attempt.  This should provide us
         // with the right data "most of the time", and we're only using this
         // for analysis purposes, so Law of Large Numbers FTW.
         session->context()->extensions_monitor()->GetAndClearRecords(
             session->mutable_extensions_activity());
+        session->context()->PruneUnthrottledTypes(base::TimeTicks::Now());
         next_step = CLEANUP_DISABLED_TYPES;
         break;
       case CLEANUP_DISABLED_TYPES: {
         CleanupDisabledTypesCommand cleanup;
         cleanup.Execute(session);
         next_step = DOWNLOAD_UPDATES;
         break;
       }
       case DOWNLOAD_UPDATES: {
         DownloadUpdatesCommand download_updates;
@@ skipping 209 matching lines @@
   entry->Put(SERVER_CTIME, Time());
   entry->Put(SERVER_VERSION, 0);
   entry->Put(SERVER_IS_DIR, false);
   entry->Put(SERVER_IS_DEL, false);
   entry->Put(IS_UNAPPLIED_UPDATE, false);
   entry->Put(SERVER_SPECIFICS, sync_pb::EntitySpecifics::default_instance());
   entry->Put(SERVER_POSITION_IN_PARENT, 0);
 }
 
 }  // namespace browser_sync