AppShell support for Mac.

extensions/shell/test/shell_test.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/shell/test/shell_test.h"
 
+#include "base/base_paths.h"
 #include "base/command_line.h"
+#include "base/files/file_path.h"
 #include "base/logging.h"
+#include "base/path_service.h"
 #include "content/public/common/content_switches.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/shell/browser/desktop_controller.h"
 #include "extensions/shell/browser/shell_content_browser_client.h"
 #include "extensions/shell/browser/shell_extension_system.h"
 
 namespace extensions {
 
 AppShellTest::AppShellTest() : browser_context_(NULL), extension_system_(NULL) {
+#if defined(OS_MACOSX)
+  base::FilePath app_shell_path;

[James Cook, 2014/12/10 21:05:01]

Maybe comment what the goal of this block of code is?

[Yoyo Zhou, 2014/12/11 02:40:50]

Done.

+  CHECK(PathService::Get(base::FILE_EXE, &app_shell_path));
+  app_shell_path = app_shell_path.DirName();
+  app_shell_path = app_shell_path.Append(
+      FILE_PATH_LITERAL("App Shell.app/Contents/MacOS/App Shell"));
+  CHECK(PathService::Override(base::FILE_EXE, app_shell_path));
+#endif
 }
 
 AppShellTest::~AppShellTest() {
 }
 
 void AppShellTest::SetUp() {
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   command_line->AppendSwitchASCII(switches::kTestType, "appshell");
   SetUpCommandLine(command_line);
   content::BrowserTestBase::SetUp();
@@ skipping 13 matching lines @@
 
   RunTestOnMainThread();
 
   TearDownOnMainThread();
 
   // Clean up the app window.
   DesktopController::instance()->CloseAppWindows();
 }
 
 }  // namespace extensions