Removes usage of native base::android::GetApplicationContext()

webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioManager.java

Index: webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioManager.java
diff --git a/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioManager.java b/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioManager.java
index 24b8ab834051885c3ed6912f40e700f92e14b412..896a58a73b029f0bbedc07ca6736e6cfe1a2a1fe 100644
--- a/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioManager.java
+++ b/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioManager.java
@@ -22,6 +22,8 @@ import java.util.Timer;
 import java.util.TimerTask;
 import org.webrtc.Logging;
 
+import org.chromium.base.ContextUtils;
+
 // WebRtcAudioManager handles tasks that uses android.media.AudioManager.
 // At construction, storeAudioParameters() is called and it retrieves
 // fundamental audio parameters like native sample rate and number of channels.
@@ -135,7 +137,6 @@ public class WebRtcAudioManager {
   }
 
   private final long nativeAudioManager;
-  private final Context context;
   private final AudioManager audioManager;
 
   private boolean initialized = false;
@@ -156,11 +157,11 @@ public class WebRtcAudioManager {
 
   private final VolumeLogger volumeLogger;
 
-  WebRtcAudioManager(Context context, long nativeAudioManager) {
+  WebRtcAudioManager(long nativeAudioManager) {
     Logging.d(TAG, "ctor" + WebRtcAudioUtils.getThreadInfo());
-    this.context = context;
     this.nativeAudioManager = nativeAudioManager;
-    audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
+    audioManager = (AudioManager) ContextUtils.getApplicationContext().getSystemService(

[sakal, 2017/05/18 07:12:54]

Instead of using Chromium ContextUtils, I think we should cache the application
context in PeerConnectionFactory and add a
PeerConnectionFactory.getApplicationContext method.

+        Context.AUDIO_SERVICE);
     if (DEBUG) {
       WebRtcAudioUtils.logDeviceInfo(TAG);
     }
@@ -224,12 +225,14 @@ public class WebRtcAudioManager {
 
   // Gets the current earpiece state.
   private boolean hasEarpiece() {
-    return context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_TELEPHONY);
+    return ContextUtils.getApplicationContext().getPackageManager().hasSystemFeature(
+        PackageManager.FEATURE_TELEPHONY);
   }
 
   // Returns true if low-latency audio output is supported.
   private boolean isLowLatencyOutputSupported() {
-    return context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_AUDIO_LOW_LATENCY);
+    return ContextUtils.getApplicationContext().getPackageManager().hasSystemFeature(
+        PackageManager.FEATURE_AUDIO_LOW_LATENCY);
   }
 
   // Returns true if low-latency audio input is supported.
@@ -248,7 +251,8 @@ public class WebRtcAudioManager {
   @TargetApi(23)
   private boolean isProAudioSupported() {
     return WebRtcAudioUtils.runningOnMarshmallowOrHigher()
-        && context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_AUDIO_PRO);
+        && ContextUtils.getApplicationContext().getPackageManager().hasSystemFeature(
+               PackageManager.FEATURE_AUDIO_PRO);
   }
 
   // Returns the native output sample rate for this device's output stream.