Replace erroneous use of base::Time with base::TimeTicks throughout media code.

media/audio/fake_audio_consumer_unittest.cc

Index: media/audio/fake_audio_consumer_unittest.cc
diff --git a/media/audio/fake_audio_consumer_unittest.cc b/media/audio/fake_audio_consumer_unittest.cc
index 362686cd6fb01b9d3887ef99b0e052339c337a30..9ffc1493ee2102fa8e3303f9e7ea03fef54e30a7 100644
--- a/media/audio/fake_audio_consumer_unittest.cc
+++ b/media/audio/fake_audio_consumer_unittest.cc
@@ -58,7 +58,7 @@ class FakeAudioConsumerTest : public testing::Test {
 
     if (source_.callbacks() == 0) {
       RunOnAudioThread();
-      start_time_ = base::Time::Now();
+      start_time_ = base::TimeTicks::Now();
     }
 
     // Keep going until we've seen the requested number of callbacks.
@@ -67,7 +67,7 @@ class FakeAudioConsumerTest : public testing::Test {
           &FakeAudioConsumerTest::TimeCallbacksOnAudioThread,
           base::Unretained(this), callbacks), time_between_callbacks_ / 2);
     } else {
-      end_time_ = base::Time::Now();
+      end_time_ = base::TimeTicks::Now();
       EndTest(callbacks);
     }
   }
@@ -84,8 +84,8 @@ class FakeAudioConsumerTest : public testing::Test {
   AudioParameters params_;
   FakeAudioConsumer fake_consumer_;
   SineWaveAudioSource source_;
-  base::Time start_time_;
-  base::Time end_time_;
+  base::TimeTicks start_time_;
+  base::TimeTicks end_time_;
   base::TimeDelta time_between_callbacks_;
 
  private: