Experimental: Remove chromium shared timers

content/child/blink_platform_impl.h

 // 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.
 
 #ifndef CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_
 #define CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_
 
 #include "base/compiler_specific.h"
 #include "base/threading/thread_local_storage.h"
 #include "base/timer/timer.h"
@@ skipping 123 matching lines @@
   virtual blink::WebString queryLocalizedString(
       blink::WebLocalizedString::Name name, const blink::WebString& value);
   virtual blink::WebString queryLocalizedString(
       blink::WebLocalizedString::Name name,
       const blink::WebString& value1, const blink::WebString& value2);
   virtual void suddenTerminationChanged(bool enabled) { }
   virtual double currentTime();
   virtual double monotonicallyIncreasingTime();
   virtual void cryptographicallyRandomValues(
       unsigned char* buffer, size_t length);
-  virtual void setSharedTimerFiredFunction(void (*func)());
-  virtual void setSharedTimerFireInterval(double interval_seconds);
-  virtual void stopSharedTimer();
   virtual void callOnMainThread(void (*func)(void*), void* context);
   virtual blink::WebGestureCurve* createFlingAnimationCurve(
       blink::WebGestureDevice device_source,
       const blink::WebFloatPoint& velocity,
       const blink::WebSize& cumulative_scroll);
   virtual void didStartWorkerRunLoop();
   virtual void didStopWorkerRunLoop();
   virtual blink::WebCrypto* crypto();
   virtual blink::WebGeofencingProvider* geofencingProvider();
   virtual blink::WebBluetooth* bluetooth();
   virtual blink::WebNotificationManager* notificationManager();
   virtual blink::WebPushProvider* pushProvider();
   virtual blink::WebNavigatorConnectProvider* navigatorConnectProvider();
 
-  void SuspendSharedTimer();
-  void ResumeSharedTimer();
-  virtual void OnStartSharedTimer(base::TimeDelta delay) {}
-
   WebBluetoothImpl* BluetoothImplForTesting() { return bluetooth_.get(); }
 
   virtual blink::WebString domCodeStringFromEnum(int dom_code);
   virtual int domEnumFromCodeString(const blink::WebString& codeString);
 
  private:
-  void DoTimeout() {
-    if (shared_timer_func_ && !shared_timer_suspended_)
-      shared_timer_func_();
-  }
 
   void InternalInit();
   void UpdateWebThreadTLS(blink::WebThread* thread);
 
   scoped_refptr<base::SingleThreadTaskRunner> MainTaskRunnerForCurrentThread();
 
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
   WebThemeEngineImpl native_theme_engine_;
   WebFallbackThemeEngineImpl fallback_theme_engine_;
-  base::OneShotTimer<BlinkPlatformImpl> shared_timer_;
-  void (*shared_timer_func_)();
-  double shared_timer_fire_time_;
-  bool shared_timer_fire_time_was_set_while_suspended_;
-  int shared_timer_suspended_;  // counter
   base::ThreadLocalStorage::Slot current_thread_slot_;
   WebCryptoImpl web_crypto_;
   scoped_ptr<WebGeofencingProviderImpl> geofencing_provider_;
   scoped_ptr<WebBluetoothImpl> bluetooth_;
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_refptr<NotificationDispatcher> notification_dispatcher_;
   scoped_refptr<PushDispatcher> push_dispatcher_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_