Making ShowExtensionInstallDialog a callback

chrome/browser/extensions/extension_install_dialog.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/extensions/extension_install_dialog.h"
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/file_path.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop.h"
-#include "base/values.h"
-#include "chrome/common/chrome_switches.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
-#include "ui/gfx/image/image.h"
-
-namespace {
-
-// A flag used for SetExtensionInstallDialogAutoConfirmForTests
-enum AutoConfirmForTest {
-  DO_NOT_SKIP = 0,
-  PROCEED,
-  ABORT
-};
-
-void AutoConfirmTask(ExtensionInstallPrompt::Delegate* delegate, bool proceed) {
-  if (proceed)
-    delegate->InstallUIProceed();
-  else
-    delegate->InstallUIAbort(true);
-}
-
-void DoAutoConfirm(AutoConfirmForTest setting,
-                   ExtensionInstallPrompt::Delegate* delegate) {
-  bool proceed = (setting == PROCEED);
-  // We use PostTask instead of calling the delegate directly here, because in
-  // the real implementations it's highly likely the message loop will be
-  // pumping a few times before the user clicks accept or cancel.
-  MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(&AutoConfirmTask, delegate, proceed));
-}
-
-AutoConfirmForTest CheckAutoConfirmCommandLineSwitch() {
-  const CommandLine* cmdline = CommandLine::ForCurrentProcess();
-  if (!cmdline->HasSwitch(switches::kAppsGalleryInstallAutoConfirmForTests))
-    return DO_NOT_SKIP;
-  std::string value = cmdline->GetSwitchValueASCII(
-      switches::kAppsGalleryInstallAutoConfirmForTests);
-  if (value == "accept")
-    return PROCEED;
-  else if (value == "cancel")
-    return ABORT;
-  else
-    NOTREACHED();
-  return DO_NOT_SKIP;
-}
-
-}  // namespace
-
-void ShowExtensionInstallDialog(gfx::NativeWindow parent,
-                                content::PageNavigator* navigator,
-                                ExtensionInstallPrompt::Delegate* delegate,
-                                const ExtensionInstallPrompt::Prompt& prompt) {
-  AutoConfirmForTest auto_confirm = CheckAutoConfirmCommandLineSwitch();
-  if (auto_confirm != DO_NOT_SKIP) {
-    DoAutoConfirm(auto_confirm, delegate);
-    return;
-  }
-  ShowExtensionInstallDialogImpl(parent, navigator, delegate, prompt);
-}