[Mac] Add a perf test that counts the number of Mach ports in the browser.

chrome/browser/automation/testing_automation_provider.cc

 // Copyright (c) 2012 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 "chrome/browser/automation/testing_automation_provider.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 134 matching lines @@
 #include "policy/policy_constants.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
 #include "chrome/browser/ui/webui/active_downloads_ui.h"
 #else
 #include "chrome/browser/download/download_shelf.h"
 #endif
 
+#if defined(OS_MACOSX)
+#include "base/mach_ipc_mac.h"
+#endif
+
 using automation::Error;
 using automation::ErrorCode;
 using automation_util::SendErrorIfModalDialogActive;
 using content::BrowserChildProcessHostIterator;
 using content::BrowserThread;
 using content::ChildProcessHost;
 using content::DownloadItem;
 using content::DownloadManager;
 using content::NavigationController;
 using content::NavigationEntry;
@@ skipping 147 matching lines @@
   IPC_BEGIN_MESSAGE_MAP_EX(TestingAutomationProvider,
                            message,
                            deserialize_success)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_CloseBrowser, CloseBrowser)
     IPC_MESSAGE_HANDLER(AutomationMsg_CloseBrowserRequestAsync,
                         CloseBrowserAsync)
     IPC_MESSAGE_HANDLER(AutomationMsg_ActivateTab, ActivateTab)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_AppendTab, AppendTab)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_AppendBackgroundTab,
                                     AppendBackgroundTab)
+    IPC_MESSAGE_HANDLER(AutomationMsg_GetMachPortCount, GetMachPortCount)
     IPC_MESSAGE_HANDLER(AutomationMsg_ActiveTabIndex, GetActiveTabIndex)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_CloseTab, CloseTab)
     IPC_MESSAGE_HANDLER(AutomationMsg_GetCookies, GetCookies)
     IPC_MESSAGE_HANDLER(AutomationMsg_SetCookie, SetCookie)
     IPC_MESSAGE_HANDLER(AutomationMsg_DeleteCookie, DeleteCookie)
     IPC_MESSAGE_HANDLER(AutomationMsg_ShowCollectedCookiesDialog,
                         ShowCollectedCookiesDialog)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(
         AutomationMsg_NavigateToURLBlockUntilNavigationsComplete,
         NavigateToURLBlockUntilNavigationsComplete)
@@ skipping 260 matching lines @@
     // Appending tab failed. Clean up and send failure response.
     if (observer)
       delete observer;
 
     AutomationMsg_AppendBackgroundTab::WriteReplyParams(reply_message,
                                                         append_tab_response);
     Send(reply_message);
   }
 }
 
+void TestingAutomationProvider::GetMachPortCount(int* port_count) {
+#if defined(OS_MACOSX)
+  base::mac::GetNumberOfMachPorts(mach_task_self(), port_count);
+#else
+  *port_count = 0;
+#endif
+}
+
 void TestingAutomationProvider::GetActiveTabIndex(int handle,
                                                   int* active_tab_index) {
   *active_tab_index = -1;  // -1 is the error code
   if (browser_tracker_->ContainsHandle(handle)) {
     Browser* browser = browser_tracker_->GetResource(handle);
     *active_tab_index = browser->active_index();
   }
 }
 
 void TestingAutomationProvider::CloseTab(int tab_handle,
@@ skipping 6246 matching lines @@
 
   Send(reply_message_);
   redirect_query_ = 0;
   reply_message_ = NULL;
 }
 
 void TestingAutomationProvider::OnRemoveProvider() {
   if (g_browser_process)
     g_browser_process->GetAutomationProviderList()->RemoveProvider(this);
 }