Android: Remove GetApplicationContext: components/

components/gcm_driver/android/java/src/org/chromium/components/gcm_driver/GoogleCloudMessagingV2.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.components.gcm_driver;
 
 import android.app.PendingIntent;
-import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
 import android.os.Messenger;
 
+import org.chromium.base.ContextUtils;
 import org.chromium.base.PackageUtils;
 
 import java.io.IOException;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.TimeUnit;
 
 import javax.annotation.Nullable;
 
 /**
  * Temporary code for sending subtypes when (un)subscribing with GCM.
  * Subtypes are experimental and may change without notice!
  * TODO(johnme): Remove this file, once we switch to the GMS client library.
  */
 public class GoogleCloudMessagingV2 implements GoogleCloudMessagingSubscriber {
     private static final String GOOGLE_PLAY_SERVICES_PACKAGE = "com.google.android.gms";
     private static final long REGISTER_TIMEOUT = 5000;
     private static final String ACTION_C2DM_REGISTER = "com.google.android.c2dm.intent.REGISTER";
     private static final String C2DM_EXTRA_ERROR = "error";
     private static final String INTENT_PARAM_APP = "app";
     private static final String ERROR_MAIN_THREAD = "MAIN_THREAD";
     private static final String ERROR_SERVICE_NOT_AVAILABLE = "SERVICE_NOT_AVAILABLE";
     private static final String EXTRA_DELETE = "delete";
     private static final String EXTRA_REGISTRATION_ID = "registration_id";
     private static final String EXTRA_SENDER = "sender";
     private static final String EXTRA_MESSENGER = "google.messenger";
     private static final String EXTRA_SUBTYPE = "subtype";
     private static final String EXTRA_SUBSCRIPTION = "subscription";
 
-    private Context mContext;
     private PendingIntent mAppPendingIntent;
     private final Object mAppPendingIntentLock = new Object();
 
-    public GoogleCloudMessagingV2(Context context) {
-        mContext = context;
-    }
+    public GoogleCloudMessagingV2() {}
 
     @Override
     public String subscribe(String source, String subtype, @Nullable Bundle data)
             throws IOException {
         if (data == null) {
             data = new Bundle();
         }
         data.putString(EXTRA_SUBTYPE, subtype);
         Bundle result = subscribe(source, data);
         return result.getString(EXTRA_REGISTRATION_ID);
@@ skipping 65 matching lines @@
         // Use the register servlet, with 'delete=true'.
         // Registration service returns a registration_id on success - or an error code.
         data.putString(EXTRA_DELETE, "1");
         subscribe(source, data);
     }
 
     private Intent registerRpc(Bundle data) throws IOException {
         if (Looper.getMainLooper() == Looper.myLooper()) {
             throw new IOException(ERROR_MAIN_THREAD);
         }
-        if (PackageUtils.getPackageVersion(mContext, GOOGLE_PLAY_SERVICES_PACKAGE) < 0) {
+        if (PackageUtils.getPackageVersion(
+                    ContextUtils.getApplicationContext(), GOOGLE_PLAY_SERVICES_PACKAGE)
+                < 0) {
             throw new IOException("Google Play Services missing");
         }
         if (data == null) {
             data = new Bundle();
         }
 
         final BlockingQueue<Intent> responseResult = new LinkedBlockingQueue<Intent>();
         Handler responseHandler = new Handler(Looper.getMainLooper()) {
             @Override
             public void handleMessage(Message msg) {
                 Intent res = (Intent) msg.obj;
                 responseResult.add(res);
             }
         };
         Messenger responseMessenger = new Messenger(responseHandler);
 
         Intent intent = new Intent(ACTION_C2DM_REGISTER);
         intent.setPackage(GOOGLE_PLAY_SERVICES_PACKAGE);
         setPackageNameExtra(intent);
         intent.putExtras(data);
         intent.putExtra(EXTRA_MESSENGER, responseMessenger);
-        mContext.startService(intent);
+        ContextUtils.getApplicationContext().startService(intent);
         try {
             return responseResult.poll(REGISTER_TIMEOUT, TimeUnit.MILLISECONDS);
         } catch (InterruptedException e) {
             throw new IOException(e.getMessage());
         }
     }
 
     private String getExtraOrThrow(Intent intent, String extraKey) throws IOException {
         if (intent == null) {
             throw new IOException(ERROR_SERVICE_NOT_AVAILABLE);
@@ skipping 12 matching lines @@
         }
     }
 
     private void setPackageNameExtra(Intent intent) {
         synchronized (mAppPendingIntentLock) {
             if (mAppPendingIntent == null) {
                 Intent target = new Intent();
                 // Fill in the package, to prevent the intent from being used.
                 target.setPackage("com.google.example.invalidpackage");
                 mAppPendingIntent = PendingIntent.getBroadcast(
-                    mContext.getApplicationContext(), 0, target, 0);
+                        ContextUtils.getApplicationContext(), 0, target, 0);
             }
         }
         intent.putExtra(INTENT_PARAM_APP, mAppPendingIntent);
     }
 }