Revert of Don't use VoE legacy APIs in force_mic_volume_max tool.

webrtc/tools/force_mic_volume_max/force_mic_volume_max.cc

Index: webrtc/tools/force_mic_volume_max/force_mic_volume_max.cc
diff --git a/webrtc/tools/force_mic_volume_max/force_mic_volume_max.cc b/webrtc/tools/force_mic_volume_max/force_mic_volume_max.cc
index 0a2347d5bad1a243f657c75b98ad8ea041e0c0a9..2bab2881bbe903123808ff01592ea56f0ddd31dc 100644
--- a/webrtc/tools/force_mic_volume_max/force_mic_volume_max.cc
+++ b/webrtc/tools/force_mic_volume_max/force_mic_volume_max.cc
@@ -12,45 +12,33 @@
 
 #include <stdio.h>
 
-#include "webrtc/modules/audio_device/include/audio_device.h"
+#include "webrtc/test/channel_transport/channel_transport.h"
+#include "webrtc/voice_engine/include/voe_audio_processing.h"
+#include "webrtc/voice_engine/include/voe_base.h"
+#include "webrtc/voice_engine/include/voe_volume_control.h"
 
-using webrtc::AudioDeviceModule;
-
-#if defined(_WIN32)
-#define DEFAULT_INPUT_DEVICE (AudioDeviceModule::kDefaultCommunicationDevice)
-#else
-#define DEFAULT_INPUT_DEVICE (0)
-#endif
-
-int main(int /*argc*/, char** /*argv*/) {
-  // Create and initialize the ADM.
-  rtc::scoped_refptr<AudioDeviceModule> adm(
-      AudioDeviceModule::Create(1, AudioDeviceModule::kPlatformDefaultAudio));
-  if (!adm.get()) {
-    fprintf(stderr, "Failed to create Audio Device Module.\n");
-    return 1;
-  }
-  if (adm->Init() != 0) {
-    fprintf(stderr, "Failed to initialize Audio Device Module.\n");
-    return 1;
-  }
-  if (adm->SetRecordingDevice(DEFAULT_INPUT_DEVICE) != 0) {
-    fprintf(stderr, "Failed to set the default input device.\n");
-    return 1;
-  }
-  if (adm->InitMicrophone() != 0) {
-    fprintf(stderr, "Failed to to initialize the microphone.\n");
+int main(int argc, char** argv) {
+  webrtc::VoiceEngine* voe = webrtc::VoiceEngine::Create();
+  if (voe == NULL) {
+    fprintf(stderr, "Failed to initialize voice engine.\n");
     return 1;
   }
 
-  // Set mic volume to max.
-  uint32_t max_vol = 0;
-  if (adm->MaxMicrophoneVolume(&max_vol) != 0) {
-    fprintf(stderr, "Failed to get max volume.\n");
+  webrtc::VoEBase* base = webrtc::VoEBase::GetInterface(voe);
+  webrtc::VoEVolumeControl* volume_control =
+      webrtc::VoEVolumeControl::GetInterface(voe);
+
+  if (base->Init() != 0) {
+    fprintf(stderr, "Failed to initialize voice engine base.\n");
     return 1;
   }
-  if (adm->SetMicrophoneVolume(max_vol) != 0) {
-    fprintf(stderr, "Failed to set mic volume.\n");
+  // Set to 0 first in case the mic is above 100%.
+  if (volume_control->SetMicVolume(0) != 0) {
+    fprintf(stderr, "Failed set volume to 0.\n");
+    return 1;
+  }
+  if (volume_control->SetMicVolume(255) != 0) {
+    fprintf(stderr, "Failed set volume to 255.\n");
     return 1;
   }