Standardize usage of virtual/override/final in chrome/browser/sync_file_system/

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 {
 
 const int64 SyncProcessRunner::kSyncDelayInMilliseconds =
     1 * base::Time::kMillisecondsPerSecond; // 1 sec
 const int64 SyncProcessRunner::kSyncDelayWithSyncError =
     3 * base::Time::kMillisecondsPerSecond; // 3 sec
 const int64 SyncProcessRunner::kSyncDelayFastInMilliseconds = 100;  // 100 ms
 const int SyncProcessRunner::kPendingChangeThresholdForFastSync = 10;
 const int64 SyncProcessRunner::kSyncDelaySlowInMilliseconds =
     30 * base::Time::kMillisecondsPerSecond;  // 30 sec
 const int64 SyncProcessRunner::kSyncDelayMaxInMilliseconds =
     30 * 60 * base::Time::kMillisecondsPerSecond;  // 30 min
 
 namespace {
 
 class BaseTimerHelper : public SyncProcessRunner::TimerHelper {
  public:
   BaseTimerHelper() {}
 
-  virtual bool IsRunning() override {
-    return timer_.IsRunning();
-  }
+  bool IsRunning() override { return timer_.IsRunning(); }
 
-  virtual void Start(const tracked_objects::Location& from_here,
-                     const base::TimeDelta& delay,
-                     const base::Closure& closure) override {
+  void Start(const tracked_objects::Location& from_here,
+             const base::TimeDelta& delay,
+             const base::Closure& closure) override {
     timer_.Start(from_here, delay, closure);
   }
 
-  virtual base::TimeTicks Now() const override {
-    return base::TimeTicks::Now();
-  }
+  base::TimeTicks Now() const override { return base::TimeTicks::Now(); }
 
-  virtual ~BaseTimerHelper() {}
+  ~BaseTimerHelper() override {}
 
  private:
   base::OneShotTimer<SyncProcessRunner> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseTimerHelper);
 };
 
 bool WasSuccessfulSync(SyncStatusCode status) {
   return status == SYNC_STATUS_OK ||
          status == SYNC_STATUS_HAS_CONFLICT ||
@@ skipping 183 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