[Cronet] Create Builders, rename UrlRequestContext to CronetEngine

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.Handler;
 import android.os.Looper;
 import android.os.Process;
 import android.util.Log;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 
 /**
  * Provides context for the native HTTP operations.
- * @deprecated Use {@link CronetUrlRequestContext} instead.
+ * @deprecated Use {@link CronetEngine} instead.
  */
 @JNINamespace("cronet")
 @Deprecated
 public class ChromiumUrlRequestContext {
     private static final int LOG_NONE = 3;  // LOG(FATAL), no VLOG.
     private static final int LOG_DEBUG = -1;  // LOG(FATAL...INFO), VLOG(1)
     private static final int LOG_VERBOSE = -2;  // LOG(FATAL...INFO), VLOG(2)
     static final String LOG_TAG = "ChromiumNetwork";
 
     /**
      * Native adapter object, owned by ChromiumUrlRequestContext.
      */
     private long mChromiumUrlRequestContextAdapter;
 
     /**
      * Constructor.
      */
     protected ChromiumUrlRequestContext(
-            final Context context, String userAgent, UrlRequestContextConfig config) {
+            final Context context, String userAgent, CronetEngine.Builder config) {
         CronetLibraryLoader.ensureInitialized(context, config);
         mChromiumUrlRequestContextAdapter =
                 nativeCreateRequestContextAdapter(userAgent, getLoggingLevel(), config.toString());
         if (mChromiumUrlRequestContextAdapter == 0) {
             throw new NullPointerException("Context Adapter creation failed");
         }
         // Post a task to UI thread to init native Chromium URLRequestContext.
         // TODO(xunjieli): This constructor is not supposed to be invoked on
         // the main thread. Consider making the following code into a blocking
         // API to handle the case where we are already on main thread.
@@ skipping 103 matching lines @@
 
     private native void nativeStartNetLogToFile(
             long chromiumUrlRequestContextAdapter, String fileName,
             boolean logAll);
 
     private native void nativeStopNetLog(long chromiumUrlRequestContextAdapter);
 
     private native void nativeInitRequestContextOnMainThread(
             long chromiumUrlRequestContextAdapter);
 }