Convert uses of int ms to TimeDelta in media/audio.

media/audio/audio_input_unittest.cc

Index: media/audio/audio_input_unittest.cc
diff --git a/media/audio/audio_input_unittest.cc b/media/audio/audio_input_unittest.cc
index 54ece0cd102a21e4f1f30121f5ec793e5a63eb74..35efcb83f8b084a7978a6a47202ed53052adff91 100644
--- a/media/audio/audio_input_unittest.cc
+++ b/media/audio/audio_input_unittest.cc
@@ -159,7 +159,10 @@ TEST(AudioInputTest, Record) {
   ais->Start(&test_callback);
   // Verify at least 500ms worth of audio was recorded, after giving sufficient
   // extra time.
-  message_loop.PostDelayedTask(FROM_HERE, MessageLoop::QuitClosure(), 590);
+  message_loop.PostDelayedTask(
+      FROM_HERE,
+      MessageLoop::QuitClosure(),
+      base::TimeDelta::FromMilliseconds(590));
   message_loop.Run();
   EXPECT_GE(test_callback.callback_count(), 10);
   EXPECT_FALSE(test_callback.had_error());