Add lookahead to the delay estimator.

TEST=audioproc_unittest

Review URL: http://webrtc-codereview.appspot.com/279014

git-svn-id: http://webrtc.googlecode.com/svn/trunk@992 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/src/modules/audio_processing/test/unit_test.cc b/src/modules/audio_processing/test/unit_test.cc
index 0d8b5ec..07884ae 100644
--- a/src/modules/audio_processing/test/unit_test.cc
+++ b/src/modules/audio_processing/test/unit_test.cc
@@ -1144,8 +1144,8 @@
 
       webrtc::audioproc::Test::DelayMetrics reference_delay =
           test->delay_metrics();
-      EXPECT_EQ(median, reference_delay.median());
-      EXPECT_EQ(std, reference_delay.std());
+      EXPECT_EQ(reference_delay.median(), median);
+      EXPECT_EQ(reference_delay.std(), std);
 
       EXPECT_EQ(test->rms_level(), rms_level);
 #endif