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

webrtc/modules/audio_processing/test/bitexactness_tools.cc

Index: webrtc/modules/audio_processing/test/bitexactness_tools.cc
diff --git a/webrtc/modules/audio_processing/test/bitexactness_tools.cc b/webrtc/modules/audio_processing/test/bitexactness_tools.cc
index 965820ca3b142c1819e9185c599805319e23eff8..e15e3da12f9ec9eb0a2ade42ac4ce775d5e5a036 100644
--- a/webrtc/modules/audio_processing/test/bitexactness_tools.cc
+++ b/webrtc/modules/audio_processing/test/bitexactness_tools.cc
@@ -70,11 +70,12 @@ void ReadFloatSamplesFromStereoFile(size_t samples_per_channel,
   }
 }
 
-::testing::AssertionResult BitExactFrame(size_t samples_per_channel,
-                                         size_t num_channels,
-                                         rtc::ArrayView<const float> reference,
-                                         rtc::ArrayView<const float> output,
-                                         float tolerance) {
+::testing::AssertionResult StackedFrameDifferenceBounded(
+    size_t samples_per_channel,
+    size_t num_channels,
+    rtc::ArrayView<const float> reference,
+    rtc::ArrayView<const float> output,
+    float element_error_bound) {
   // Form vectors to compare the reference to. Only the first values of the
   // outputs are compared in order not having to specify all preceeding frames
   // as testvectors.
@@ -89,12 +90,14 @@ void ReadFloatSamplesFromStereoFile(size_t samples_per_channel,
                                 reference_frame_length);
   }
 
-  return BitExactVector(reference, output_to_verify, tolerance);
+  return VectorDifferenceBounded(reference, output_to_verify,
+                                 element_error_bound);
 }
 
-::testing::AssertionResult BitExactVector(rtc::ArrayView<const float> reference,
-                                          rtc::ArrayView<const float> output,
-                                          float tolerance) {
+::testing::AssertionResult VectorDifferenceBounded(
+    rtc::ArrayView<const float> reference,
+    rtc::ArrayView<const float> output,
+    float element_error_bound) {
   // The vectors are deemed to be bitexact only if
   // a) output have a size at least as long as the reference.
   // b) the samples in the reference are bitexact with the corresponding samples
@@ -106,7 +109,7 @@ void ReadFloatSamplesFromStereoFile(size_t samples_per_channel,
   } else {
     // Compare the first samples in the vectors.
     for (size_t k = 0; k < reference.size(); ++k) {
-      if (fabs(output[k] - reference[k]) > tolerance) {
+      if (fabs(output[k] - reference[k]) > element_error_bound) {
         equal = false;
         break;
       }