Update chrome/ to use WeakPtr<T>::get() instead of implicit "operator T*"

chrome/browser/history/delete_directive_handler.cc

 // Copyright (c) 2013 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/history/delete_directive_handler.h"
 
 #include "base/json/json_writer.h"
 #include "base/rand_util.h"
 #include "base/time.h"
 #include "base/values.h"
@@ skipping 148 matching lines @@
   }
 
   ProcessGlobalIdDeleteDirectives(backend, global_id_directives);
   std::sort(time_range_directives.begin(), time_range_directives.end(),
             TimeRangeLessThan);
   ProcessTimeRangeDeleteDirectives(backend, time_range_directives);
   return true;
 }
 
 void DeleteDirectiveHandler::DeleteDirectiveTask::DoneRunOnMainThread() {
-  if (delete_directive_handler_) {
+  if (delete_directive_handler_.get()) {
     delete_directive_handler_->FinishProcessing(post_processing_action_,
                                                 delete_directives_);
   }
 }
 
 void
 DeleteDirectiveHandler::DeleteDirectiveTask::ProcessGlobalIdDeleteDirectives(
     history::HistoryBackend* history_backend,
     const syncer::SyncDataList& global_id_directives) {
   if (global_id_directives.empty())
@@ skipping 236 matching lines @@
     for (size_t i = 0; i < delete_directives.size(); ++i) {
       change_list.push_back(
           syncer::SyncChange(FROM_HERE, syncer::SyncChange::ACTION_DELETE,
                              delete_directives[i]));
     }
     sync_processor_->ProcessSyncChanges(FROM_HERE, change_list);
   }
 }
 
 }  // namespace history