Add GetLiveVars to PPB_Testing_Dev. Fix leaks it uncovered.

ppapi/tests/test_url_loader.cc

 // Copyright (c) 2011 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.
 
 #include "ppapi/tests/test_url_loader.h"
 
 #include <stdio.h>
 #include <string.h>
 #include <string>
 
@@ skipping 45 matching lines @@
 
 }  // namespace
 
 TestURLLoader::TestURLLoader(TestingInstance* instance)
     : TestCase(instance),
       file_io_trusted_interface_(NULL),
       url_loader_trusted_interface_(NULL) {
 }
 
 bool TestURLLoader::Init() {
-  if (!InitTestingInterface()) {
+  if (!CheckTestingInterface()) {
     instance_->AppendError("Testing interface not available");
     return false;
   }
 
   const PPB_FileIO* file_io_interface = static_cast<const PPB_FileIO*>(
       pp::Module::Get()->GetBrowserInterface(PPB_FILEIO_INTERFACE));
   if (!file_io_interface)
     instance_->AppendError("FileIO interface not available");
 
   file_io_trusted_interface_ = static_cast<const PPB_FileIOTrusted*>(
@@ skipping 790 matching lines @@
     return error;
   if (body != "hello\n")
     return ReportError("Couldn't read data", rv);
 
   PASS();
 }
 
 // TODO(viettrungluu): Add tests for  Get{Upload,Download}Progress, Close
 // (including abort tests if applicable).