[Cronet] Get Cronet performance test running again

components/cronet/android/test/src/org/chromium/net/CronetTestFramework.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.Environment;
 
@@ skipping 47 matching lines @@
         // Initializes Cronet legacy API.
         public static final String LEGACY = "legacy";
         // Initializes Cronet HttpURLConnection API.
         public static final String HTTP_URL_CONNECTION = "http_url_connection";
         // Do not initialize.
         public static final String NONE = "none";
 
         private LibraryInitType() {}
     }
 
+    private static boolean sLibCronetJavaTestsLoaded;
+
     public URLStreamHandlerFactory mStreamHandlerFactory;
     public CronetEngine mCronetEngine;
     @SuppressWarnings("deprecation") HttpUrlRequestFactory mRequestFactory;
 
     private final String[] mCommandLine;
     private final Context mContext;
 
     private String mUrl;
     private int mHttpStatusCode = 0;
 
@@ skipping 14 matching lines @@
         @Override
         public void onRequestComplete(HttpUrlRequest request) {
             mComplete.open();
         }
 
         public void blockForComplete() {
             mComplete.block();
         }
     }
 
+    private static void ensureLibCronetJavaTestsLoaded() {
+        if (!sLibCronetJavaTestsLoaded) {
+            sLibCronetJavaTestsLoaded = true;
+            System.loadLibrary("cronet_javatests");
+        }
+    }
+
     // TODO(crbug.com/547160): Fix this findbugs error and remove the suppression.
     @SuppressFBWarnings("EI_EXPOSE_REP2")
     public CronetTestFramework(
             String appUrl, String[] commandLine, Context context, CronetEngine.Builder builder) {
         mCommandLine = commandLine;
         mContext = context;
 
+        ensureLibCronetJavaTestsLoaded();
+
         // Print out extra arguments passed in starting this activity.
         if (commandLine != null) {
             assertEquals(0, commandLine.length % 2);
             for (int i = 0; i < commandLine.length / 2; i++) {
                 Log.i(TAG, "Cronet commandLine %s = %s", commandLine[i * 2],
                         commandLine[i * 2 + 1]);
             }
         }
 
         // Initializes CronetEngine.Builder from commandLine args.
@@ skipping 189 matching lines @@
 
     public void stopNetLog() {
         if (mRequestFactory != null) {
             mRequestFactory.stopNetLog();
         }
         if (mCronetEngine != null) {
             mCronetEngine.stopNetLog();
         }
     }
 }