Pipe impl_latency_takes_priority_ to the RenderScheduler.

cc/output/begin_frame_args_unittest.cc

Index: cc/output/begin_frame_args_unittest.cc
diff --git a/cc/output/begin_frame_args_unittest.cc b/cc/output/begin_frame_args_unittest.cc
index 4521c1b760d2408ee29f0f3914463666ab93f5bb..a8606d832cb6a796ce1c2cccf98172afd13968ef 100644
--- a/cc/output/begin_frame_args_unittest.cc
+++ b/cc/output/begin_frame_args_unittest.cc
@@ -77,16 +77,18 @@ TEST(BeginFrameArgsTest, Create) {
   // BeginFrames are not valid by default
   BeginFrameArgs args1;
   EXPECT_FALSE(args1.IsValid()) << args1;
+  EXPECT_FALSE(args1.on_critical_path);
 
   BeginFrameArgs args2 = BeginFrameArgs::Create(
       BEGINFRAME_FROM_HERE, base::TimeTicks::FromInternalValue(1),
       base::TimeTicks::FromInternalValue(2),
-      base::TimeDelta::FromInternalValue(3), BeginFrameArgs::NORMAL);
+      base::TimeDelta::FromInternalValue(3), BeginFrameArgs::NORMAL, true);
   EXPECT_TRUE(args2.IsValid()) << args2;
   EXPECT_EQ(1, args2.frame_time.ToInternalValue()) << args2;
   EXPECT_EQ(2, args2.deadline.ToInternalValue()) << args2;
   EXPECT_EQ(3, args2.interval.ToInternalValue()) << args2;
   EXPECT_EQ(BeginFrameArgs::NORMAL, args2.type) << args2;
+  EXPECT_TRUE(args2.on_critical_path);
 }
 
 #ifndef NDEBUG