Index: components/scheduler/renderer/auto_advancing_virtual_time_domain.h |
diff --git a/components/scheduler/renderer/auto_advancing_virtual_time_domain.h b/components/scheduler/renderer/auto_advancing_virtual_time_domain.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..82b58d6943821cb91eb586a5735c0ba23ae433f8 |
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+++ b/components/scheduler/renderer/auto_advancing_virtual_time_domain.h |
@@ -0,0 +1,45 @@ |
+// Copyright 2016 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 COMPONENTS_SCHEDULER_RENDERER_AUTO_ADVANCING_VIRTUAL_TIME_DOMAIN_H_ |
+#define COMPONENTS_SCHEDULER_RENDERER_AUTO_ADVANCING_VIRTUAL_TIME_DOMAIN_H_ |
+ |
+#include "base/macros.h" |
+#include "components/scheduler/base/virtual_time_domain.h" |
+ |
+namespace scheduler { |
+ |
+// A time domain that runs tasks sequentially in time order but doesn't sleep |
+// between delayed tasks. |
+// |
+// KEY: A-E are delayed tasks |
+// | A B C D E (Execution with RealTimeDomain) |
+// |-----------------------------> time |
+// |
+// |ABCDE (Execution with AutoAdvancingVirtualTimeDomain) |
+// |-----------------------------> time |
+class SCHEDULER_EXPORT AutoAdvancingVirtualTimeDomain |
+ : public VirtualTimeDomain { |
+ public: |
+ explicit AutoAdvancingVirtualTimeDomain(base::TimeTicks initial_time); |
+ ~AutoAdvancingVirtualTimeDomain() override; |
+ |
+ // TimeDomain implementation: |
+ bool MaybeAdvanceTime() override; |
+ void RequestWakeup(base::TimeTicks now, base::TimeDelta delay) override; |
+ const char* GetName() const override; |
+ |
+ // Controls whether or not virtual time is allowed to advance, when the |
+ // TaskQueueManager runs out of immediate work to do. |
+ void SetCanAdvanceVirtualTime(bool can_advance_virtual_time); |
+ |
+ private: |
+ bool can_advance_virtual_time_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(AutoAdvancingVirtualTimeDomain); |
+}; |
+ |
+} // namespace scheduler |
+ |
+#endif // COMPONENTS_SCHEDULER_RENDERER_AUTO_ADVANCING_VIRTUAL_TIME_DOMAIN_H_ |