cc: Use BeginFrameArgs

cc/output/begin_frame_args.cc

Index: cc/output/begin_frame_args.cc
diff --git a/cc/output/begin_frame_args.cc b/cc/output/begin_frame_args.cc
index 707d58bbc5830f0e936c0aa8256514135e667099..3b63446a858f6d7041612e2066cc640af5c43ed0 100644
--- a/cc/output/begin_frame_args.cc
+++ b/cc/output/begin_frame_args.cc
@@ -22,6 +22,12 @@ BeginFrameArgs BeginFrameArgs::CreateBeginFrame(base::TimeTicks frame_time,
   return BeginFrameArgs(frame_time, deadline, interval);
 }
 
+
+BeginFrameArgs BeginFrameArgs::CreateBeginFrameWithAdjustedDeadline(
+    base::TimeDelta delta) {
+  return BeginFrameArgs(frame_time_, deadline_ + delta, interval_);
+}
+
 BeginFrameArgs BeginFrameArgs::CreateBeginFrameForSynchronousCompositor() {
   // For WebView/SynchronousCompositor, we always want to draw immediately,
   // so we set the deadline to 0 and guess that the interval is 16 milliseconds.
@@ -38,7 +44,7 @@ BeginFrameArgs BeginFrameArgs::CreateBeginFrameForTesting() {
 }
 
 base::TimeDelta BeginFrameArgs::DefaultDeadlineAdjustment() {
-  return base::TimeDelta::FromMicroseconds(-8888);
+  return base::TimeDelta::FromMicroseconds(-16666/5);
 }
 
 }  // namespace cc