Pipe impl_latency_takes_priority_ to the RenderScheduler.

cc/output/begin_frame_args_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "cc/output/begin_frame_args.h"
 #include "cc/test/begin_frame_args_test.h"
 #include "testing/gtest/include/gtest/gtest-spi.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 59 matching lines @@
   EXPECT_EQ(std::string("BeginFrameArgs(NORMAL, 0, 0, -1us)"),
             ::testing::PrintToString(args1));
   EXPECT_EQ(std::string("BeginFrameArgs(NORMAL, 1, 2, 3us)"),
             ::testing::PrintToString(args2));
 }
 
 TEST(BeginFrameArgsTest, Create) {
   // BeginFrames are not valid by default
   BeginFrameArgs args1;
   EXPECT_FALSE(args1.IsValid()) << args1;
+  EXPECT_TRUE(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);
   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;
 }
 
 #ifndef NDEBUG
 TEST(BeginFrameArgsTest, Location) {
   tracked_objects::Location expected_location = BEGINFRAME_FROM_HERE;
 
   BeginFrameArgs args = CreateBeginFrameArgsForTesting(expected_location);
   EXPECT_EQ(expected_location.ToString(), args.created_from.ToString());
 }
 #endif
 
 }  // namespace
 }  // namespace cc