First stab at touch optimized omnibox auto-complete per sgabriel's mocks.

chrome/browser/ui/views/omnibox/omnibox_view_views.cc

 // Copyright (c) 2012 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/ui/views/omnibox/omnibox_view_views.h"
 
 #include "base/property_bag.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 197 matching lines @@
   if (popup_window_mode_)
     textfield_->SetReadOnly(true);
 
   const int font_size = GetEditFontPixelSize(popup_window_mode_);
   const int old_size = textfield_->font().GetFontSize();
   if (font_size != old_size)
     textfield_->SetFont(textfield_->font().DeriveFont(font_size - old_size));
 
   // Create popup view using the same font as |textfield_|'s.
   popup_view_.reset(
-      new AutocompletePopupContentsView(
+      AutocompletePopupContentsView::CreateForEnvironment(
           textfield_->font(), this, model_.get(), location_bar_view_));
 
   const int vertical_margin = !popup_window_mode_ ?
       kAutocompleteVerticalMargin : kAutocompleteVerticalMarginInPopup;
   set_border(views::Border::CreateEmptyBorder(vertical_margin, 0,
                                               vertical_margin, 0));
 #if defined(OS_CHROMEOS)
   chromeos::input_method::InputMethodManager::GetInstance()->
       AddCandidateWindowObserver(this);
 #endif
@@ skipping 625 matching lines @@
   OmniboxViewViews* omnibox_view = new OmniboxViewViews(controller,
                                                         toolbar_model,
                                                         profile,
                                                         command_updater,
                                                         popup_window_mode,
                                                         location_bar);
   omnibox_view->Init();
   return omnibox_view;
 }
 #endif