Switch to standard integer types in ash/.

ash/wm/video_detector_unittest.cc

Index: ash/wm/video_detector_unittest.cc
diff --git a/ash/wm/video_detector_unittest.cc b/ash/wm/video_detector_unittest.cc
index edc0544a8f7415da5439a9276671309184378e2e..2ee7a0cda9143b9379819b43df05ca2234367a61 100644
--- a/ash/wm/video_detector_unittest.cc
+++ b/ash/wm/video_detector_unittest.cc
@@ -266,7 +266,7 @@ TEST_F(VideoDetectorTest, RepeatedNotifications) {
   // Let enough time pass that a second notification should be sent.
   observer_->reset_stats();
   AdvanceTime(base::TimeDelta::FromSeconds(
-      static_cast<int64>(VideoDetector::kNotifyIntervalSec + 1)));
+      static_cast<int64_t>(VideoDetector::kNotifyIntervalSec + 1)));
   for (int i = 0; i < VideoDetector::kMinFramesPerSecond; ++i)
     detector_->OnDelegatedFrameDamage(window.get(), update_region);
   EXPECT_EQ(1, observer_->num_invocations());