mojo: add some end-to-end shell tests and a new test sample app

mojo/shell/shell_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 "mojo/shell/shell_test_base.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "build/build_config.h"
 #include "net/base/filename_util.h"
 #include "url/gurl.h"
 
 namespace mojo {
 namespace shell {
 namespace test {
 
 ShellTestBase::ShellTestBase() {
 }
 
 ShellTestBase::~ShellTestBase() {
 }
 
-ScopedMessagePipeHandle ShellTestBase::LaunchServiceInProcess(
-    const GURL& service_url,
+ScopedMessagePipeHandle ShellTestBase::ConnectToService(
+    const GURL& application_url,
     const std::string& service_name) {
   base::FilePath base_dir;
   CHECK(PathService::Get(base::DIR_EXE, &base_dir));
   // On android, the library is bundled with the app.
 #if defined(OS_ANDROID)
   // On Android, the library is bundled with the app.
   base::FilePath service_dir;
   CHECK(PathService::Get(base::DIR_MODULE, &service_dir));
 #else
   // On other platforms, "loadable modules" are dumped beside the executables.
   base::FilePath service_dir;
   CHECK(PathService::Get(base::DIR_EXE, &service_dir));
 #endif
   shell_context_.mojo_url_resolver()->set_origin(
       net::FilePathToFileURL(service_dir).spec());
 
   return shell_context_.service_manager()->ConnectToServiceByName(
-      service_url, service_name).Pass();
+      application_url, service_name).Pass();
 }
 
 }  // namespace test
 }  // namespace shell
 }  // namespace mojo