Send data from mixer to APM limiter more often.

webrtc/modules/audio_mixer/frame_combiner_unittest.cc

Index: webrtc/modules/audio_mixer/frame_combiner_unittest.cc
diff --git a/webrtc/modules/audio_mixer/frame_combiner_unittest.cc b/webrtc/modules/audio_mixer/frame_combiner_unittest.cc
index 13c66012f99f27c4fd30d820e19c0166fcf3d1f6..4d2673d2c4e2026a45e5d8be34ef9d22ae73a091 100644
--- a/webrtc/modules/audio_mixer/frame_combiner_unittest.cc
+++ b/webrtc/modules/audio_mixer/frame_combiner_unittest.cc
@@ -57,7 +57,7 @@ TEST(FrameCombiner, BasicApiCallsLimiter) {
         const std::vector<AudioFrame*> frames_to_combine(
             all_frames.begin(), all_frames.begin() + number_of_frames);
         combiner.Combine(frames_to_combine, number_of_channels, rate,
-                         &audio_frame_for_mixing);
+                         frames_to_combine.size(), &audio_frame_for_mixing);
       }
     }
   }
@@ -79,7 +79,7 @@ TEST(FrameCombiner, BasicApiCallsNoLimiter) {
         const std::vector<AudioFrame*> frames_to_combine(
             all_frames.begin(), all_frames.begin() + number_of_frames);
         combiner.Combine(frames_to_combine, number_of_channels, rate,
-                         &audio_frame_for_mixing);
+                         frames_to_combine.size(), &audio_frame_for_mixing);
       }
     }
   }
@@ -93,7 +93,7 @@ TEST(FrameCombiner, CombiningZeroFramesShouldProduceSilence) {
 
       const std::vector<AudioFrame*> frames_to_combine;
       combiner.Combine(frames_to_combine, number_of_channels, rate,
-                       &audio_frame_for_mixing);
+                       frames_to_combine.size(), &audio_frame_for_mixing);
 
       const std::vector<int16_t> mixed_data(
           audio_frame_for_mixing.data_,
@@ -116,7 +116,7 @@ TEST(FrameCombiner, CombiningOneFrameShouldNotChangeFrame) {
                 0);
       const std::vector<AudioFrame*> frames_to_combine = {&frame1};
       combiner.Combine(frames_to_combine, number_of_channels, rate,
-                       &audio_frame_for_mixing);
+                       frames_to_combine.size(), &audio_frame_for_mixing);
 
       const std::vector<int16_t> mixed_data(
           audio_frame_for_mixing.data_,