Refactoring the way begin frame sources inside scheduler work.

cc/test/begin_frame_args_test.cc

Index: cc/test/begin_frame_args_test.cc
diff --git a/cc/test/begin_frame_args_test.cc b/cc/test/begin_frame_args_test.cc
index 137d5e12863be408a80f8eac25949be31ae36d72..c619a14a14e3d8c1a81b9637391a9d3bb897a08f 100644
--- a/cc/test/begin_frame_args_test.cc
+++ b/cc/test/begin_frame_args_test.cc
@@ -21,12 +21,15 @@ BeginFrameArgs CreateBeginFrameArgsForTesting(base::TimeTicks frame_time) {
       BeginFrameArgs::DefaultInterval());
 }
 
-BeginFrameArgs CreateBeginFrameArgsForTesting(int64 frame_time,
-                                              int64 deadline,
-                                              int64 interval) {
+BeginFrameArgs CreateBeginFrameArgsForTesting(
+    int64 frame_time,
+    int64 deadline,
+    int64 interval,
+    BeginFrameArgs::BeginFrameArgsType type) {
   return BeginFrameArgs::Create(base::TimeTicks::FromInternalValue(frame_time),
                                 base::TimeTicks::FromInternalValue(deadline),
-                                base::TimeDelta::FromInternalValue(interval));
+                                base::TimeDelta::FromInternalValue(interval),
+                                type);
 }
 
 BeginFrameArgs CreateExpiredBeginFrameArgsForTesting() {