Add relaunch into ASH and desktop support for Chrome on Windows 7.

chrome/browser/plugins/plugin_infobar_delegates.cc

Index: chrome/browser/plugins/plugin_infobar_delegates.cc
diff --git a/chrome/browser/plugins/plugin_infobar_delegates.cc b/chrome/browser/plugins/plugin_infobar_delegates.cc
index e1ef089f35596c2465732e7852e249d2174a8a2f..d0e76d714806c96e6a48739bf2a143244f3be41e 100644
--- a/chrome/browser/plugins/plugin_infobar_delegates.cc
+++ b/chrome/browser/plugins/plugin_infobar_delegates.cc
@@ -482,15 +482,9 @@ int PluginMetroModeInfoBarDelegate::GetButtons() const {
 
 base::string16 PluginMetroModeInfoBarDelegate::GetButtonLabel(
     InfoBarButton button) const {
-#if defined(USE_AURA) && defined(USE_ASH)
-  return l10n_util::GetStringUTF16(IDS_WIN8_DESKTOP_RESTART);
-#else
-  return l10n_util::GetStringUTF16((mode_ == MISSING_PLUGIN) ?
-      IDS_WIN8_DESKTOP_RESTART : IDS_WIN8_DESKTOP_OPEN);
-#endif
+  return l10n_util::GetStringUTF16(IDS_WIN_DESKTOP_RESTART);
 }
 
-#if defined(USE_AURA) && defined(USE_ASH)
 void LaunchDesktopInstanceHelper(const base::string16& url) {
   base::FilePath exe_path;
   if (!PathService::Get(base::FILE_EXE, &exe_path))
@@ -504,7 +498,6 @@ void LaunchDesktopInstanceHelper(const base::string16& url) {
   aura::RemoteWindowTreeHostWin::Instance()->HandleOpenURLOnDesktop(
       shortcut_path, url);
 }
-#endif
 
 bool PluginMetroModeInfoBarDelegate::Accept() {
   chrome::AttemptRestartToDesktopMode();