[Cronet] Fix up log TAGs to be accurate and prevent future inaccuracies.

components/cronet/android/api/src/org/chromium/net/JavaUrlRequest.java

 // Copyright 2015 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.annotation.TargetApi;
 import android.net.TrafficStats;
 import android.os.Build;
 import android.util.Log;
@@ skipping 18 matching lines @@
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReference;
 
 /**
  * Pure java UrlRequest, backed by {@link HttpURLConnection}.
  */
 @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH) // TrafficStats only available on ICS
 final class JavaUrlRequest implements UrlRequest {
     private static final String X_ANDROID = "X-Android";
     private static final String X_ANDROID_SELECTED_TRANSPORT = "X-Android-Selected-Transport";
-    private static final String TAG = "JavaUrlConnection";
+    private static final String TAG = JavaUrlRequest.class.getSimpleName();
     private static final int DEFAULT_UPLOAD_BUFFER_SIZE = 8192;
     private static final int DEFAULT_CHUNK_LENGTH = DEFAULT_UPLOAD_BUFFER_SIZE;
     private static final String USER_AGENT = "User-Agent";
     private final AsyncUrlRequestCallback mCallbackAsync;
     private final Executor mExecutor;
     private final String mUserAgent;
     private final Map<String, String> mRequestHeaders =
             new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
     private final List<String> mUrlChain = new ArrayList<>();
     /**
@@ skipping 794 matching lines @@
         if (closeable == null) {
             return;
         }
         try {
             closeable.close();
         } catch (IOException e) {
             e.printStackTrace();
         }
     }
 }