Refactor GuestView construction

chrome/browser/guest_view/web_view/web_view_guest.cc

 // Copyright 2014 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/guest_view/web_view/web_view_guest.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 151 matching lines @@
     }
     *persist_storage = true;
   } else {
     *storage_partition_id = partition_str;
     *persist_storage = false;
   }
 }
 
 }  // namespace
 
-WebViewGuest::WebViewGuest(content::BrowserContext* browser_context,
-                           int guest_instance_id)
-    : GuestView<WebViewGuest>(browser_context, guest_instance_id),
-      pending_context_menu_request_id_(0),
-      is_overriding_user_agent_(false),
-      chromevox_injected_(false),
-      current_zoom_factor_(1.0),
-      find_helper_(this),
-      javascript_dialog_helper_(this) {
+// static
+GuestViewBase* WebViewGuest::Create(content::BrowserContext* browser_context,
+                                    int guest_instance_id) {
+  return new WebViewGuest(browser_context, guest_instance_id);
 }
 
 // static
 bool WebViewGuest::GetGuestPartitionConfigForSite(
     const GURL& site,
     std::string* partition_domain,
     std::string* partition_name,
     bool* in_memory) {
   if (!site.SchemeIs(content::kGuestScheme))
     return false;
@@ skipping 500 matching lines @@
       removal_mask,
       content::StoragePartition::QUOTA_MANAGED_STORAGE_MASK_ALL,
       GURL(),
       content::StoragePartition::OriginMatcherFunction(),
       remove_since,
       base::Time::Now(),
       callback);
   return true;
 }
 
+WebViewGuest::WebViewGuest(content::BrowserContext* browser_context,
+                           int guest_instance_id)
+    : GuestView<WebViewGuest>(browser_context, guest_instance_id),
+      pending_context_menu_request_id_(0),
+      is_overriding_user_agent_(false),
+      chromevox_injected_(false),
+      current_zoom_factor_(1.0),
+      find_helper_(this),
+      javascript_dialog_helper_(this) {
+}
+
 WebViewGuest::~WebViewGuest() {
 }
 
 void WebViewGuest::DidCommitProvisionalLoadForFrame(
     content::RenderFrameHost* render_frame_host,
     const GURL& url,
     content::PageTransition transition_type) {
   find_helper_.CancelAllFindSessions();
 
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
@@ skipping 527 matching lines @@
     bool allow,
     const std::string& user_input) {
   WebViewGuest* guest =
       WebViewGuest::From(embedder_render_process_id(), new_window_instance_id);
   if (!guest)
     return;
 
   if (!allow)
     guest->Destroy();
 }