Index: third_party/WebKit/public/platform/WebThread.h |
diff --git a/third_party/WebKit/public/platform/WebThread.h b/third_party/WebKit/public/platform/WebThread.h |
index b84f76ff86ea349268ce91427c0d68baeb3038d6..7056e332fb72cca03f1509216e5720b891595564 100644 |
--- a/third_party/WebKit/public/platform/WebThread.h |
+++ b/third_party/WebKit/public/platform/WebThread.h |
@@ -57,6 +57,11 @@ public: |
virtual void didProcessTask() = 0; |
}; |
+ // Headless Chrome virtualises time for determinism and performance (fast forwarding |
+ // of timers). To make this work some parts of blink (e.g. Timers) need to use virtual |
+ // time, however by default new code should use the normal non-virtual time APIs. |
+ virtual double virtualTimeSeconds() = 0; |
+ virtual double monotonicallyIncreasingVirtualTimeSeconds() = 0; |
// Returns a WebTaskRunner bound to the underlying scheduler's default task queue. |
virtual WebTaskRunner* taskRunner() { return nullptr; } |