Cleanup: Remove some redundant container clear() calls.

components/invalidation/sync_system_resources.cc

 // Copyright 2014 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 "components/invalidation/sync_system_resources.h"
 
 #include <cstdlib>
 #include <cstring>
 #include <string>
 
@@ skipping 72 matching lines @@
   is_stopped_ = false;
   weak_factory_.InvalidateWeakPtrs();
 }
 
 void SyncInvalidationScheduler::Stop() {
   CHECK_EQ(created_on_loop_, base::MessageLoop::current());
   is_stopped_ = true;
   is_started_ = false;
   weak_factory_.InvalidateWeakPtrs();
   STLDeleteElements(&posted_tasks_);
-  posted_tasks_.clear();
 }
 
 void SyncInvalidationScheduler::Schedule(invalidation::TimeDelta delay,
                                          invalidation::Closure* task) {
   DCHECK(invalidation::IsCallbackRepeatable(task));
   CHECK_EQ(created_on_loop_, base::MessageLoop::current());
 
   if (!is_started_) {
     delete task;
     return;
@@ skipping 223 matching lines @@
 
 SyncInvalidationScheduler* SyncSystemResources::internal_scheduler() {
   return internal_scheduler_.get();
 }
 
 SyncInvalidationScheduler* SyncSystemResources::listener_scheduler() {
   return listener_scheduler_.get();
 }
 
 }  // namespace syncer