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

chrome/browser/extensions/extension_install_ui.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_install_ui.h"
 
 #include <map>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 286 matching lines @@
 
   browser::ShowExtensionInstalledBubble(extension, browser, icon_, profile);
 }
 
 namespace {
 
 bool disable_failure_ui_for_tests = false;
 
 }  // namespace
 
-void ExtensionInstallUI::OnInstallFailure(const std::string& error) {
+void ExtensionInstallUI::OnInstallFailure(const string16& error) {
   DCHECK(ui_loop_ == MessageLoop::current());
 
   Browser* browser = BrowserList::GetLastActiveWithProfile(profile_);
   if (disable_failure_ui_for_tests)
     return;
   browser::ShowErrorBox(
       browser ? browser->window()->GetNativeHandle() : NULL,
       l10n_util::GetStringUTF16(IDS_EXTENSION_INSTALL_FAILURE_TITLE),
-      UTF8ToUTF16(error));
+      error);
 }
 
 void ExtensionInstallUI::SetIcon(SkBitmap* image) {
   if (image)
     icon_ = *image;
   else
     icon_ = SkBitmap();
   if (icon_.empty())
     icon_ = Extension::GetDefaultIcon(extension_->is_app());
 }
@@ skipping 104 matching lines @@
     bool previous_using_native_theme) {
   Profile* profile = tab_contents->profile();
   return new ThemeInstalledInfoBarDelegate(
       tab_contents->infobar_tab_helper(),
       profile->GetExtensionService(),
       ThemeServiceFactory::GetForProfile(profile),
       new_theme,
       previous_theme_id,
       previous_using_native_theme);
 }