Add an extensions keep-alive client.

extensions/renderer/api_test_base.cc

 // 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.
 
 #include "extensions/renderer/api_test_base.h"
 
 #include <vector>
 
 #include "base/run_loop.h"
 #include "extensions/common/extension_urls.h"
@@ skipping 78 matching lines @@
            base::Callback<void(mojo::ScopedMessagePipeHandle)> >::iterator it =
       service_factories_.find(service_name);
   if (it != service_factories_.end())
     it->second.Run(pipe.handle0.Pass());
   return pipe.handle1.release();
 }
 
 TestServiceProvider::TestServiceProvider() {
 }
 
+// static
+void TestServiceProvider::IgnoreHandle(mojo::ScopedMessagePipeHandle handle) {
+}
+
 ApiTestBase::ApiTestBase() {
 }
 ApiTestBase::~ApiTestBase() {
 }
 
 void ApiTestBase::SetUp() {
   ModuleSystemTest::SetUp();
   InitializeEnvironment();
   RegisterModules();
 }
@@ skipping 103 matching lines @@
 }
 
 void ApiTestBase::RunPromisesAgain() {
   RunResolvedPromises();
   base::MessageLoop::current()->PostTask(
       FROM_HERE,
       base::Bind(&ApiTestBase::RunPromisesAgain, base::Unretained(this)));
 }
 
 }  // namespace extensions