Delete all log messages depending on system_wrappers.

webrtc/voice_engine/file_recorder.cc

Index: webrtc/voice_engine/file_recorder.cc
diff --git a/webrtc/voice_engine/file_recorder.cc b/webrtc/voice_engine/file_recorder.cc
index 9e1d5397bdf0cddb0b71865be78ff0e986aaf7a7..9735a858194ded677afe5e2eaa44f67b13ac40a6 100644
--- a/webrtc/voice_engine/file_recorder.cc
+++ b/webrtc/voice_engine/file_recorder.cc
@@ -19,7 +19,6 @@
 #include "webrtc/modules/media_file/media_file.h"
 #include "webrtc/modules/media_file/media_file_defines.h"
 #include "webrtc/system_wrappers/include/event_wrapper.h"
-#include "webrtc/system_wrappers/include/logging.h"
 #include "webrtc/typedefs.h"
 #include "webrtc/voice_engine/coder.h"
 
@@ -105,8 +104,6 @@ int32_t FileRecorderImpl::StartRecordingAudioFile(const char* fileName,
     retVal = SetUpAudioEncoder();
   }
   if (retVal != 0) {
-    LOG(LS_WARNING) << "Failed to initialize file " << fileName
-                    << " for recording.";
 
     if (IsRecording()) {
       StopRecording();
@@ -126,7 +123,6 @@ int32_t FileRecorderImpl::StartRecordingAudioFile(OutStream* destStream,
     retVal = SetUpAudioEncoder();
   }
   if (retVal != 0) {
-    LOG(LS_WARNING) << "Failed to initialize outStream for recording.";
 
     if (IsRecording()) {
       StopRecording();
@@ -147,8 +143,6 @@ bool FileRecorderImpl::IsRecording() const {
 int32_t FileRecorderImpl::RecordAudioToFile(
     const AudioFrame& incomingAudioFrame) {
   if (codec_info_.plfreq == 0) {
-    LOG(LS_WARNING) << "RecordAudioToFile() recording audio is not "
-                    << "turned on.";
     return -1;
   }
   AudioFrame tempAudioFrame;
@@ -195,8 +189,6 @@ int32_t FileRecorderImpl::RecordAudioToFile(
       STR_CASE_CMP(codec_info_.plname, "L16") != 0) {
     if (_audioEncoder.Encode(*ptrAudioFrame, _audioBuffer,
                              &encodedLenInBytes) == -1) {
-      LOG(LS_WARNING) << "RecordAudioToFile() codec " << codec_info_.plname
-                      << " not supported or failed to encode stream.";
       return -1;
     }
   } else {
@@ -227,8 +219,6 @@ int32_t FileRecorderImpl::SetUpAudioEncoder() {
   if (_fileFormat == kFileFormatPreencodedFile ||
       STR_CASE_CMP(codec_info_.plname, "L16") != 0) {
     if (_audioEncoder.SetEncodeCodec(codec_info_) == -1) {
-      LOG(LS_ERROR) << "SetUpAudioEncoder() codec " << codec_info_.plname
-                    << " not supported.";
       return -1;
     }
   }