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

components/cronet/android/test/src/org/chromium/net/TestFilesInstaller.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.content.res.AssetManager;
 import android.util.Log;
 
 import org.chromium.base.FileUtils;
 import org.chromium.base.PathUtils;
 import org.chromium.base.annotations.SuppressFBWarnings;
 
 import java.io.File;
 import java.io.IOException;
 
 /**
  * Helper class to install test files.
  */
 public final class TestFilesInstaller {
-    private static final String TAG = "TestFilesInstaller";
+    private static final String TAG = TestFilesInstaller.class.getSimpleName();
     // Name of the asset directory in which test files are stored.
     private static final String TEST_FILE_ASSET_PATH = "test";
 
     /**
      * Installs test files if files have not been installed.
      */
     public static void installIfNeeded(Context context) {
         if (areFilesInstalled(context)) {
             return;
         }
@@ skipping 64 matching lines @@
         File destFile = new File(destFilePath);
         if (destFile.exists()) {
             throw new IllegalStateException(srcFilePath + " already exists.");
         }
 
         if (!FileUtils.extractAsset(context, srcFilePath, destFile)) {
             throw new IOException("Could not extract asset " + srcFilePath + ".");
         }
     }
 }