Port nacl_integration exit_status test to browser_tests.

ppapi/native_client/tools/browser_tester/browserdata/nacltest.js

 // Copyright (c) 2012 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.
 
 
 function $(id) {
   return document.getElementById(id);
 }
 
 
@@ skipping 99 matching lines @@
         this_.disableRPC();
       }
     } else {
       handleRPCFailure(name, req.status.toString());
     }
   }
 
   // Performs a URL-encoded RPC call, given a function name and a dictionary
   // (actually just an object - it's a JS idiom) of parameters.
   function rpcCall(name, params) {
-    if (this_.rpc_available) {
+    if (window.domAutomationController !== undefined) {
+      // Running as a Chrome browser_test.
+      var msg = {type: name};
+      for (var pname in params) {
+        msg[pname] = params[pname];
+      }
+      domAutomationController.setAutomationId(0);
+      domAutomationController.send(JSON.stringify(msg));
+    } else if (this_.rpc_available) {
       // Construct the URL for the RPC request.
       var args = [];
       for (var pname in params) {
         pvalue = params[pname];
         args.push(encodeURIComponent(pname) + '=' + encodeURIComponent(pvalue));
       }
       var url = '/TESTER/' + name + '?' + args.join('&');
       var req = new XMLHttpRequest();
       // Async result handler
       if (this_.async) {
@@ skipping 792 matching lines @@
     if (this.testCount < tests.length) {
       if (!parallel) {
         // Move on to the next test if they're being run one at a time.
         this.launchTest(this.testCount);
       }
     } else {
       this._done();
     }
   }
 }