Issue 71980: Extensions code should use UTF-16 for user-visible Unicode strings

chrome/browser/extensions/extension_service.cc

 // Copyright (c) 2011 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_service.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 2279 matching lines @@
 void ExtensionService::ReportExtensionLoadError(
     const FilePath& extension_path,
     const std::string &error,
     bool be_noisy) {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_LOAD_ERROR,
       content::Source<Profile>(profile_),
       content::Details<const std::string>(&error));
 
   std::string path_str = UTF16ToUTF8(extension_path.LossyDisplayName());
-  std::string message = base::StringPrintf(
+  string16 message = ASCIIToUTF16(base::StringPrintf(
       "Could not load extension from '%s'. %s",
-      path_str.c_str(), error.c_str());
+      path_str.c_str(), error.c_str()));
   ExtensionErrorReporter::GetInstance()->ReportError(message, be_noisy);
 }
 
 void ExtensionService::DidCreateRenderViewForBackgroundPage(
     ExtensionHost* host) {
   OrphanedDevTools::iterator iter =
       orphaned_dev_tools_.find(host->extension_id());
   if (iter == orphaned_dev_tools_.end())
     return;
 
@@ skipping 267 matching lines @@
                                      const ExtensionResource &resource,
                                      int index) {
   // If the image failed to load (e.g. if the resource being loaded was empty)
   // use the standard application icon.
   if (!image || image->isNull())
     image = ExtensionIconSource::LoadImageByResourceId(IDR_APP_DEFAULT_ICON);
 
   shortcut_info_.favicon = *image;
   web_app::CreateShortcut(profile_->GetPath(), shortcut_info_);
 }