Make URLRequestContextAdapter initialization asynchronous

components/cronet/android/java/src/org/chromium/net/ChromiumUrlRequestContext.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.net;
 
 import android.content.Context;
 import android.os.ConditionVariable;
 import android.os.Process;
 import android.util.Log;
@@ skipping 19 matching lines @@
     private final ConditionVariable mStarted = new ConditionVariable();
 
     /**
      * Constructor.
      *
      */
     protected ChromiumUrlRequestContext(Context context, String userAgent,
             String config) {
         mChromiumUrlRequestContextAdapter = nativeCreateRequestContextAdapter(
                 context, userAgent, getLoggingLevel(), config);
-        if (mChromiumUrlRequestContextAdapter == 0)
+        if (mChromiumUrlRequestContextAdapter == 0) {
             throw new NullPointerException("Context Adapter creation failed");
-
-        // TODO(mef): Revisit the need of block here.
-        mStarted.block(2000);
+        }
     }
 
     /**
      * Returns the version of this network stack formatted as N.N.N.N/X where
      * N.N.N.N is the version of Chromium and X is the revision number.
      */
     public static String getVersion() {
         return Version.getVersion();
     }
 
@@ skipping 74 matching lines @@
 
     private native void nativeInitializeStatistics();
 
     private native String nativeGetStatisticsJSON(String filter);
 
     private native void nativeStartNetLogToFile(
             long chromiumUrlRequestContextAdapter, String fileName);
 
     private native void nativeStopNetLog(long chromiumUrlRequestContextAdapter);
 }