Fix crash with --load-extension for extensions with plugins

chrome/browser/extensions/unpacked_installer.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 "chrome/browser/extensions/unpacked_installer.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
+#include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/permissions_updater.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/api/plugins/plugins_handler.h"
 #include "chrome/common/extensions/extension_file_util.h"
 #include "chrome/common/extensions/extension_l10n_util.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/id_util.h"
 #include "extensions/common/manifest.h"
 #include "sync/api/string_ordinal.h"
@@ skipping 33 matching lines @@
     : install_ui_(ExtensionInstallUI::CreateInstallPromptWithProfile(
           profile)),
       extension_(extension),
       callback_(callback) {
 }
 
 SimpleExtensionLoadPrompt::~SimpleExtensionLoadPrompt() {
 }
 
 void SimpleExtensionLoadPrompt::ShowPrompt() {
+  std::string confirm = CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+      switches::kAppsGalleryInstallAutoConfirmForTests);
+  if (confirm == "accept") {
+    InstallUIProceed();
+    return;
+  }
+  if (confirm == "cancel") {
+    InstallUIAbort(false);
+    return;
+  }
+
   install_ui_->ConfirmInstall(
       this,
       extension_.get(),
       ExtensionInstallPrompt::GetDefaultShowDialogCallback());
 }
 
 void SimpleExtensionLoadPrompt::InstallUIProceed() {
   callback_.Run();
   delete this;
 }
@@ skipping 216 matching lines @@
 
   service_weak_->OnExtensionInstalled(
       installer_.extension().get(),
       syncer::StringOrdinal(),
       false /* no requirement errors */,
       NOT_BLACKLISTED,
       false /* don't wait for idle */);
 }
 
 }  // namespace extensions