Fix loading success.html at the end of chrome://chrome-signin flow

extensions/common/manifest_handlers/webview_info.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 "extensions/common/manifest_handlers/webview_info.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 54 matching lines @@
 // static
 bool WebviewInfo::IsResourceWebviewAccessible(
     const Extension* extension,
     const std::string& partition_id,
     const std::string& relative_path) {
   if (!extension)
     return false;
 
   const WebviewInfo* webview_info = static_cast<const WebviewInfo*>(
       extension->GetManifestData(keys::kWebviewAccessibleResources));
-  if (!webview_info)
+  if (!webview_info) {
+    LOG(ERROR) << "IsResourceWebviewAccessible " << extension->id()
+               << " to load " << relative_path << "? false 1 ";
     return false;
+  }
 
   for (const auto& item : webview_info->partition_items_) {
     if (item->Matches(partition_id) &&
         extension->ResourceMatches(item->accessible_resources(),
                                    relative_path)) {
+      LOG(ERROR) << "IsResourceWebviewAccessible " << extension->id()
+                 << " to load " << relative_path << "? true";
       return true;
     }
   }
+  LOG(ERROR) << "IsResourceWebviewAccessible " << extension->id() << " to load "
+             << relative_path << "? false 2";
 
   return false;
 }
 
 void WebviewInfo::AddPartitionItem(std::unique_ptr<PartitionItem> item) {
   partition_items_.push_back(std::move(item));
 }
 
 WebviewHandler::WebviewHandler() {
+  LOG(ERROR) << "Create WebviewHandler";
 }
 
 WebviewHandler::~WebviewHandler() {
 }
 
 bool WebviewHandler::Parse(Extension* extension, base::string16* error) {
+  LOG(ERROR) << "Parse WebviewInfo for extension " << extension->id();
   std::unique_ptr<WebviewInfo> info(new WebviewInfo(extension->id()));
 
   const base::DictionaryValue* dict_value = NULL;
   if (!extension->manifest()->GetDictionary(keys::kWebview,
                                             &dict_value)) {
     *error = base::ASCIIToUTF16(errors::kInvalidWebview);
     return false;
   }
 
   const base::ListValue* partition_list = NULL;
@@ skipping 49 matching lines @@
         return false;
       }
       URLPattern pattern(URLPattern::SCHEME_EXTENSION,
                          Extension::GetResourceURL(extension->url(),
                                                    relative_path).spec());
       partition_item->AddPattern(pattern);
     }
     info->AddPartitionItem(std::move(partition_item));
   }
 
+  LOG(ERROR) << "SetManifestData (kWebviewAccessibleResources)"
+             << extension->id() << " Done";
   extension->SetManifestData(keys::kWebviewAccessibleResources,
                              std::move(info));
   return true;
 }
 
 const std::vector<std::string> WebviewHandler::Keys() const {
   return SingleKey(keys::kWebview);
 }
 
 }  // namespace extensions