Add an extensions keep-alive client.

extensions/renderer/api/serial/serial_api_unittest.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 "device/serial/serial_device_enumerator.h"
 #include "device/serial/serial_service_impl.h"
 #include "device/serial/test_serial_io_handler.h"
+#include "extensions/common/mojo/keep_alive.mojom.h"
 #include "extensions/renderer/api_test_base.h"
 #include "grit/extensions_renderer_resources.h"
 
 // A test launcher for tests for the serial API defined in
 // extensions/test/data/serial_unittest.js. Each C++ test function sets up a
 // fake DeviceEnumerator or SerialIoHandler expecting or returning particular
 // values for that test.
 
 namespace extensions {
 
@@ skipping 385 matching lines @@
     env()->RegisterModule("serial_service", IDR_SERIAL_SERVICE_JS);
     env()->RegisterModule("device/serial/data_stream.mojom",
                           IDR_DATA_STREAM_MOJOM_JS);
     env()->RegisterModule("device/serial/data_stream_serialization.mojom",
                           IDR_DATA_STREAM_SERIALIZATION_MOJOM_JS);
     env()->RegisterModule("device/serial/serial.mojom", IDR_SERIAL_MOJOM_JS);
     env()->RegisterModule("device/serial/serial_serialization.mojom",
                           IDR_SERIAL_SERIALIZATION_MOJOM_JS);
     service_provider()->AddService<device::serial::SerialService>(base::Bind(
         &SerialApiTest::CreateSerialService, base::Unretained(this)));
+    service_provider()->IgnoreServiceRequests<KeepAlive>();
   }
 
   scoped_refptr<TestIoHandlerBase> io_handler_;
 
  private:
   scoped_refptr<device::SerialIoHandler> GetIoHandler() {
     if (!io_handler_.get())
       io_handler_ = new TestIoHandlerBase;
     return io_handler_;
   }
@@ skipping 211 matching lines @@
 
 TEST_F(SerialApiTest, SetPausedUnknownConnectionId) {
   RunTest("serial_unittest.js", "testSetPausedUnknownConnectionId");
 }
 
 TEST_F(SerialApiTest, SendUnknownConnectionId) {
   RunTest("serial_unittest.js", "testSendUnknownConnectionId");
 }
 
 }  // namespace extensions