Template methods on Timer classes instead of the classes themselves.

chrome/browser/sync_file_system/sync_process_runner.cc

 // Copyright 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/sync_file_system/sync_process_runner.h"
 
 #include "base/format_macros.h"
 #include "chrome/browser/sync_file_system/logger.h"
 
 namespace sync_file_system {
@@ skipping 21 matching lines @@
              const base::TimeDelta& delay,
              const base::Closure& closure) override {
     timer_.Start(from_here, delay, closure);
   }
 
   base::TimeTicks Now() const override { return base::TimeTicks::Now(); }
 
   ~BaseTimerHelper() override {}
 
  private:
-  base::OneShotTimer<SyncProcessRunner> timer_;
+  base::OneShotTimer timer_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseTimerHelper);
 };
 
 bool WasSuccessfulSync(SyncStatusCode status) {
   return status == SYNC_STATUS_OK ||
          status == SYNC_STATUS_HAS_CONFLICT ||
          status == SYNC_STATUS_NO_CONFLICT ||
          status == SYNC_STATUS_NO_CHANGE_TO_SYNC ||
          status == SYNC_STATUS_UNKNOWN_ORIGIN ||
@@ skipping 180 matching lines @@
       FROM_HERE, next_scheduled - now,
       base::Bind(&SyncProcessRunner::Run, base::Unretained(this)));
 }
 
 void SyncProcessRunner::CheckIfIdle() {
   if (pending_changes_ == 0 && running_tasks_ == 0)
     client_->OnSyncIdle();
 }
 
 }  // namespace sync_file_system