Add native permissions dialog for apps_devtools app.

chrome/browser/extensions/extension_install_prompt.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_prompt.h"
 
 #include <map>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 551 matching lines @@
                                                const Extension* extension) {
   DCHECK(ui_loop_ == MessageLoop::current());
   extension_ = extension;
   permissions_ = extension->GetActivePermissions();
   delegate_ = delegate;
   prompt_.set_type(POST_INSTALL_PERMISSIONS_PROMPT);
 
   LoadImageIfNeeded();
 }
 
+void ExtensionInstallPrompt::PermissionsDialog(Delegate* delegate,
+                                               const Extension* extension) {
+  DCHECK(ui_loop_ == MessageLoop::current());
+  extension_ = extension;
+  permissions_ = extension->GetActivePermissions();
+  delegate_ = delegate;
+  prompt_.set_type(POST_INSTALL_PERMISSIONS_PROMPT);
+
+  // TODO(grv): Load extension icon.
+  SetIcon(NULL);
+  FetchOAuthIssueAdviceIfNeeded();
+}
+
 void ExtensionInstallPrompt::OnInstallSuccess(const Extension* extension,
                                               SkBitmap* icon) {
   extension_ = extension;
   SetIcon(icon);
 
   install_ui_->OnInstallSuccess(extension, &icon_);
 }
 
 void ExtensionInstallPrompt::OnInstallFailure(
     const extensions::CrxInstallerError& error) {
@@ skipping 116 matching lines @@
   }
 
   if (AutoConfirmPrompt(delegate_))
     return;
 
   if (show_dialog_callback_.is_null())
     GetDefaultShowDialogCallback().Run(show_params_, delegate_, prompt_);
   else
     show_dialog_callback_.Run(show_params_, delegate_, prompt_);
 }