Update audio code to use size_t more correctly, webrtc/modules/audio_device/

webrtc/modules/audio_device/android/audio_record_jni.cc

Index: webrtc/modules/audio_device/android/audio_record_jni.cc
diff --git a/webrtc/modules/audio_device/android/audio_record_jni.cc b/webrtc/modules/audio_device/android/audio_record_jni.cc
index 637f5f827b8be8c81d90028c9b498059f15687ac..fcc1e972a1058ebb66d6cf89cd8d2b3056827f43 100644
--- a/webrtc/modules/audio_device/android/audio_record_jni.cc
+++ b/webrtc/modules/audio_device/android/audio_record_jni.cc
@@ -126,7 +126,8 @@ int32_t AudioRecordJni::InitRecording() {
   ALOGD("frames_per_buffer: %d", frames_per_buffer_);
   CHECK_EQ(direct_buffer_capacity_in_bytes_,
            frames_per_buffer_ * kBytesPerFrame);
-  CHECK_EQ(frames_per_buffer_, audio_parameters_.frames_per_10ms_buffer());
+  CHECK_EQ(frames_per_buffer_,
+           static_cast<int>(audio_parameters_.frames_per_10ms_buffer()));
   initialized_ = true;
   return 0;
 }