GTK: Fix a couple minor popup window icon menu bugs.

BUG=26265,26268

Review URL: http://codereview.chromium.org/360023

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@31009 0039d316-1c4b-4281-b951-d872f2087c98
void BrowserTitlebar::ShowFaviconMenu(GdkEventButton* event) {
  if (!favicon_menu_.get()) {
    favicon_menu_.reset(new MenuGtk(this,
        GetFaviconMenu(browser_window_->browser()->profile(), this), NULL));
  }

  favicon_menu_->Popup(app_mode_favicon_, reinterpret_cast<GdkEvent*>(event));
}

void BrowserTitlebar::ShowFaviconMenu(GdkEventButton* event) {
  if (!favicon_menu_.get()) {
    favicon_menu_.reset(new MenuGtk(this,
        GetFaviconMenu(browser_window_->browser()->profile(), this), NULL));
  }

  favicon_menu_->Popup(app_mode_favicon_, reinterpret_cast<GdkEvent*>(event));
}
