Renamed the test::BitExactFrame method to test::VectorDifferenceBounded.

webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer_unittest.cc

Index: webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer_unittest.cc
diff --git a/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer_unittest.cc b/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer_unittest.cc
index 2e05cb5ba064338f8b83bd128a3050163d9d15ed..109e652d3ee6f96dd7f7a085ef33345f5799f6c5 100644
--- a/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer_unittest.cc
+++ b/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer_unittest.cc
@@ -299,16 +299,16 @@ void RunBitexactnessTest(int sample_rate_hz,
   test::ExtractVectorFromAudioBuffer(render_config, &render_buffer,
                                      &render_output);
 
-  const float kTolerance = 1.f / static_cast<float>(1 << 15);
+  const float kVectorElementErrorBound = 1.f / static_cast<float>(1 << 15);
 
   // Compare the output with the reference. Only the first values of the output
   // from last frame processed are compared in order not having to specify all
   // preceeding frames as testvectors. As the algorithm being tested has a
   // memory, testing only the last frame implicitly also tests the preceeding
   // frames.
-  EXPECT_TRUE(test::BitExactFrame(render_buffer.num_frames(),
-                                  render_config.num_channels(),
-                                  output_reference, render_output, kTolerance));
+  EXPECT_TRUE(test::VectorDifferenceBounded(
+      render_buffer.num_frames(), render_config.num_channels(),
+      output_reference, render_output, kVectorElementErrorBound));
 }
 
 }  // namespace