Index: cc/scheduler/time_source.h |
diff --git a/cc/scheduler/time_source.h b/cc/scheduler/time_source.h |
index 3b8d048886511c9b5b0232035183950df2d31375..ba2fce071858018d4d825e95c486d23146b0f619 100644 |
--- a/cc/scheduler/time_source.h |
+++ b/cc/scheduler/time_source.h |
@@ -36,8 +36,8 @@ class CC_EXPORT TimeSource : public base::RefCounted<TimeSource> { |
virtual bool Active() const = 0; |
virtual void SetTimebaseAndInterval(base::TimeTicks timebase, |
base::TimeDelta interval) = 0; |
- virtual base::TimeTicks LastTickTime() = 0; |
- virtual base::TimeTicks NextTickTime() = 0; |
+ virtual base::TimeTicks LastTickTime() const = 0; |
+ virtual base::TimeTicks NextTickTime() const = 0; |
protected: |
virtual ~TimeSource() {} |