Don't allow inline install if frame is deleted before user accepts

chrome/browser/extensions/webstore_inline_installer_factory.cc

 // Copyright 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 "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/webstore_inline_installer.h"
 #include "chrome/browser/extensions/webstore_inline_installer_factory.h"
 #include "content/public/browser/web_contents.h"
 
 namespace extensions {
 
 WebstoreInlineInstaller* WebstoreInlineInstallerFactory::CreateInstaller(
-      content::WebContents* contents,
-      const std::string& webstore_item_id,
-      const GURL& requestor_url,
-      const WebstoreStandaloneInstaller::Callback& callback) {
-  return new WebstoreInlineInstaller(
-      contents, webstore_item_id, requestor_url, callback);
+    content::WebContents* contents,
+    content::RenderFrameHost* host,
+    const std::string& webstore_item_id,
+    const GURL& requestor_url,
+    const WebstoreStandaloneInstaller::Callback& callback) {
+  return new WebstoreInlineInstaller(contents, host, webstore_item_id,
+                                     requestor_url, callback);
 }
 
 }  // namespace extensions