Add mute state field to AudioFrame.

webrtc/modules/audio_mixer/audio_frame_manipulator_unittest.cc

Index: webrtc/modules/audio_mixer/audio_frame_manipulator_unittest.cc
diff --git a/webrtc/modules/audio_mixer/audio_frame_manipulator_unittest.cc b/webrtc/modules/audio_mixer/audio_frame_manipulator_unittest.cc
index 26258a28dc54e521868c08a71003aca0b461d3c3..e163d0f0ca51c833bfbd361b81ecd0ec1bf25b4f 100644
--- a/webrtc/modules/audio_mixer/audio_frame_manipulator_unittest.cc
+++ b/webrtc/modules/audio_mixer/audio_frame_manipulator_unittest.cc
@@ -23,8 +23,9 @@ void FillFrameWithConstants(size_t samples_per_channel,
                             AudioFrame* frame) {
   frame->num_channels_ = number_of_channels;
   frame->samples_per_channel_ = samples_per_channel;
-  std::fill(frame->data_,
-            frame->data_ + samples_per_channel * number_of_channels, value);
+  int16_t* frame_data = frame->mutable_data();
+  std::fill(frame_data,
+            frame_data + samples_per_channel * number_of_channels, value);
 }
 }  // namespace
 
@@ -40,8 +41,9 @@ TEST(AudioFrameManipulator, CompareForwardRampWithExpectedResultStereo) {
 
   const int total_samples = kSamplesPerChannel * kNumberOfChannels;
   const int16_t expected_result[total_samples] = {0, 0, 1, 1, 2, 2, 3, 3, 4, 4};
+  const int16_t* frame_data = frame.data();
   EXPECT_TRUE(
-      std::equal(frame.data_, frame.data_ + total_samples, expected_result));
+      std::equal(frame_data, frame_data + total_samples, expected_result));
 }
 
 TEST(AudioFrameManipulator, CompareBackwardRampWithExpectedResultMono) {
@@ -56,8 +58,9 @@ TEST(AudioFrameManipulator, CompareBackwardRampWithExpectedResultMono) {
 
   const int total_samples = kSamplesPerChannel * kNumberOfChannels;
   const int16_t expected_result[total_samples] = {5, 4, 3, 2, 1};
+  const int16_t* frame_data = frame.data();
   EXPECT_TRUE(
-      std::equal(frame.data_, frame.data_ + total_samples, expected_result));
+      std::equal(frame_data, frame_data + total_samples, expected_result));
 }
 
 }  // namespace webrtc