scheduler: Suspend timers while virtual time is paused

third_party/WebKit/public/platform/WebViewScheduler.h

 // Copyright 2015 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 WebViewScheduler_h
 #define WebViewScheduler_h
 
 #include "WebCommon.h"
 #include "public/platform/BlameContext.h"
 
@@ skipping 32 matching lines @@
   // enabled the system doesn't actually sleep for the delays between tasks
   // before executing them. E.g: A-E are delayed tasks
   //
   // |    A   B C  D           E  (normal)
   // |-----------------------------> time
   //
   // |ABCDE                       (virtual time)
   // |-----------------------------> time
   virtual void enableVirtualTime() = 0;
 
+  // Disables virtual time. Note that this is only used for testing, because
+  // there's no reason to do this in production.
+  virtual void disableVirtualTimeForTesting() = 0;
+
   // Returns true if virtual time is currently allowed to advance.
   virtual bool virtualTimeAllowedToAdvance() const = 0;
 
   enum class VirtualTimePolicy {
     // In this policy virtual time is allowed to advance. If the blink scheduler
     // runs out of immediate work, the virtual timebase will be incremented so
     // that the next sceduled timer may fire.  NOTE Tasks will be run in time
     // order (as usual).
     ADVANCE,
 
@@ skipping 16 matching lines @@
   virtual void setVirtualTimePolicy(VirtualTimePolicy) = 0;
 
   virtual void audioStateChanged(bool isAudioPlaying) = 0;
 
   virtual bool hasActiveConnectionForTest() const = 0;
 };
 
 }  // namespace blink
 
 #endif  // WebViewScheduler