Remove deprecated APIs from OpenApplicationWithPath.

chrome/browser/apps/app_shim/app_shim_interactive_uitest_mac.mm

Index: chrome/browser/apps/app_shim/app_shim_interactive_uitest_mac.mm
diff --git a/chrome/browser/apps/app_shim/app_shim_interactive_uitest_mac.mm b/chrome/browser/apps/app_shim/app_shim_interactive_uitest_mac.mm
index 82ed30d343eca4f3f6c3360e9ba1967e3b18f439..e1ebdf2d8ee3b176ceb5e9eb3456f163c04e4bcd 100644
--- a/chrome/browser/apps/app_shim/app_shim_interactive_uitest_mac.mm
+++ b/chrome/browser/apps/app_shim/app_shim_interactive_uitest_mac.mm
@@ -330,17 +330,15 @@ IN_PROC_BROWSER_TEST_F(AppShimInteractiveTest, MAYBE_HostedAppLaunch) {
     HostedAppBrowserListObserver listener(app->id());
     base::CommandLine shim_cmdline(base::CommandLine::NO_PROGRAM);
     shim_cmdline.AppendSwitch(app_mode::kLaunchedForTest);
-    ProcessSerialNumber shim_psn;
+    pid_t shim_pid;
     ASSERT_TRUE(base::mac::OpenApplicationWithPath(
-        shim_path_, shim_cmdline, kLSLaunchDefaults, &shim_psn));
+        shim_path_, shim_cmdline, NSWorkspaceLaunchDefault, nil, &shim_pid));
     listener.WaitUntilAdded();
 
     ASSERT_TRUE(GetFirstHostedAppWindow());
     EXPECT_TRUE(HasAppShimHost(profile(), app->id()));
 
     // If the window is closed, the shim should quit.
-    pid_t shim_pid;
-    EXPECT_EQ(noErr, GetProcessPID(&shim_psn, &shim_pid));
     GetFirstHostedAppWindow()->window()->Close();
     // Wait for the window to be closed.
     listener.WaitUntilRemoved();
@@ -402,17 +400,15 @@ IN_PROC_BROWSER_TEST_F(AppShimInteractiveTest, MAYBE_Launch) {
     ExtensionTestMessageListener launched_listener("Launched", false);
     base::CommandLine shim_cmdline(base::CommandLine::NO_PROGRAM);
     shim_cmdline.AppendSwitch(app_mode::kLaunchedForTest);
-    ProcessSerialNumber shim_psn;
+    pid_t shim_pid;
     ASSERT_TRUE(base::mac::OpenApplicationWithPath(
-        shim_path_, shim_cmdline, kLSLaunchDefaults, &shim_psn));
+        shim_path_, shim_cmdline, NSWorkspaceLaunchDefault, nil, &shim_pid));
     ASSERT_TRUE(launched_listener.WaitUntilSatisfied());
 
     ASSERT_TRUE(GetFirstAppWindow());
     EXPECT_TRUE(HasAppShimHost(profile(), app->id()));
 
     // If the window is closed, the shim should quit.
-    pid_t shim_pid;
-    EXPECT_EQ(noErr, GetProcessPID(&shim_psn, &shim_pid));
     GetFirstAppWindow()->GetBaseWindow()->Close();
     base::Process shim_process(shim_pid);
     int exit_code;
@@ -611,7 +607,7 @@ IN_PROC_BROWSER_TEST_F(AppShimInteractiveTest, MAYBE_RebuildShim) {
   ExtensionTestMessageListener launched_listener("Launched", false);
   base::CommandLine shim_cmdline(base::CommandLine::NO_PROGRAM);
   ASSERT_TRUE(base::mac::OpenApplicationWithPath(
-      shim_path, shim_cmdline, kLSLaunchDefaults, NULL));
+      shim_path, shim_cmdline, NSWorkspaceLaunchDefault, nil, nullptr));
 
   // Wait for the app to start (1). At this point there is no shim host.
   ASSERT_TRUE(launched_listener.WaitUntilSatisfied());