Index: third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h |
diff --git a/third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h b/third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h |
index 5cf5b13c01c9830398bd5f870edd2d071af66729..8ddb6c6ba06909d82161a053f5614e82b9c5b902 100644 |
--- a/third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h |
+++ b/third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h |
@@ -171,8 +171,9 @@ class TestingPlatformSupportWithMockScheduler : public TestingPlatformSupport { |
// instead. |
void runUntilIdle(); |
- // Runs for |seconds|. Note we use a testing clock rather than the wall clock |
- // here. |
+ // Runs for |seconds| the testing clock is advanced by |seconds|. Note real |
+ // time elapsed will typically much less than |seconds| because delays between |
+ // timers are fast forwarded. |
void runForPeriodSeconds(double seconds); |
// Advances |m_clock| by |seconds|. |