Automatic Win8 default browser registration for the ash unittests.

win8/test/metro_registration_helper.cc

+// Copyright (c) 2013 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 "win8/test/metro_registration_helper.h"
+
+#include "base/command_line.h"
+#include "base/file_path.h"
+#include "base/file_util.h"
+#include "base/logging.h"
+#include "base/path_service.h"
+#include "base/process.h"
+#include "base/process_util.h"
+#include "win8/test/test_registrar_constants.h"

[grt (UTC plus 2), 2013/02/12 15:37:43]

#include "base/win/scoped_handle.h"

[robertshield, 2013/02/12 16:57:08]

Done.

+
+namespace {
+
+const int kRegistrationTimeout = 30000;
+
+// Copied from util_constants.cc to avoid taking a dependency on installer_util.
+const wchar_t kChromeExe[] = L"chrome.exe";
+const wchar_t kRegistrar[] = L"test_registrar.exe";
+
+}
+
+namespace win8 {
+
+bool RegisterTestDefaultBrowser(const string16& app_user_model_id) {
+  FilePath dir;
+  if (!PathService::Get(base::DIR_EXE, &dir))
+    return false;
+
+  FilePath chrome_exe(dir.Append(kChromeExe));
+  FilePath registrar(dir.Append(kRegistrar));
+
+  if (!file_util::PathExists(chrome_exe) || !file_util::PathExists(registrar)) {
+    LOG(ERROR) << "Could not locate " << kChromeExe << " and " << kRegistrar;

[grt (UTC plus 2), 2013/02/12 15:37:43]

and -> and/or

[robertshield, 2013/02/12 16:57:08]

Done.

+    return false;
+  }
+
+  // Perform the registration by invoking test_delegate_execute.exe with the

[grt (UTC plus 2), 2013/02/12 15:37:43]

update comment

[robertshield, 2013/02/12 16:57:08]

Done.

+  // necessary flags:
+  //     test_delegate_execute.exe /RegServer --appid=<appid>
+  CommandLine register_command(registrar);
+  register_command.AppendArg("/RegServer");
+  register_command.AppendSwitchNative(win8::test::kTestAppUserModelId,
+                                      app_user_model_id);
+
+  base::ProcessHandle register_handle;

[grt (UTC plus 2), 2013/02/12 15:37:43]

base::win::ScopedHandle register_handle;

[robertshield, 2013/02/12 16:57:08]

Done.

+  if (base::LaunchProcess(register_command, base::LaunchOptions(),
+                          &register_handle)) {

[grt (UTC plus 2), 2013/02/12 15:37:43]

register_handle.Receive()

[robertshield, 2013/02/12 16:57:08]

Done.

+    DWORD result = WaitForSingleObject(register_handle, kRegistrationTimeout);

[grt (UTC plus 2), 2013/02/12 15:37:43]

int ret = 0;
if (base::WaitForExitCodeWithTimeout(register_handle, &ret,
kRegistrationTimeout)) {
  return ret == 0;
}

[robertshield, 2013/02/12 16:57:08]

Done.

+    if (result == WAIT_OBJECT_0) {
+      DWORD ret = 0;
+      if (::GetExitCodeProcess(register_handle, &ret))
+        return ret == 0;
+    }
+  }
+
+  LOG(ERROR) << "Win8 registration using " << kRegistrar << " timed out.";
+  return false;
+}
+
+}  // namespace win8