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

components/cronet/android/java/src/org/chromium/net/impl/CronetUrlRequestContext.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.impl;
 
 import android.os.ConditionVariable;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Process;
-import android.util.Log;
 
+import org.chromium.base.Log;
 import org.chromium.base.ObserverList;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.base.annotations.NativeClassQualifiedName;
 import org.chromium.base.annotations.UsedByReflection;
 import org.chromium.net.BidirectionalStream;
 import org.chromium.net.EffectiveConnectionType;
 import org.chromium.net.ExperimentalBidirectionalStream;
 import org.chromium.net.NetworkQualityRttListener;
@@ skipping 22 matching lines @@
 /**
  * CronetEngine using Chromium HTTP stack implementation.
  */
 @JNINamespace("cronet")
 @UsedByReflection("CronetEngine.java")
 @VisibleForTesting
 public class CronetUrlRequestContext extends CronetEngineBase {
     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";
+    static final String LOG_TAG = CronetUrlRequestContext.class.getSimpleName();
 
     /**
      * Synchronize access to mUrlRequestContextAdapter and shutdown routine.
      */
     private final Object mLock = new Object();
     private final ConditionVariable mInitCompleted = new ConditionVariable(false);
     private final AtomicInteger mActiveRequestCount = new AtomicInteger(0);
 
     @GuardedBy("mLock")
     private long mUrlRequestContextAdapter = 0;
@@ skipping 673 matching lines @@
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeProvideRTTObservations(long nativePtr, boolean should);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeProvideThroughputObservations(long nativePtr, boolean should);
 
     public boolean isNetworkThread(Thread thread) {
         return thread == mNetworkThread;
     }
 }