Remove base/win/metro.{cc|h} and some associated code

chrome/browser/ui/views/frame/native_browser_frame_factory_aurawin.cc

Index: chrome/browser/ui/views/frame/native_browser_frame_factory_aurawin.cc
diff --git a/chrome/browser/ui/views/frame/native_browser_frame_factory_aurawin.cc b/chrome/browser/ui/views/frame/native_browser_frame_factory_aurawin.cc
index 0b01bf0305b4c82c46df0def378052bca0faaedc..0ec29e4c80a85189f6fbfae455cbc62f3ecfe498 100644
--- a/chrome/browser/ui/views/frame/native_browser_frame_factory_aurawin.cc
+++ b/chrome/browser/ui/views/frame/native_browser_frame_factory_aurawin.cc
@@ -5,7 +5,6 @@
 #include "chrome/browser/ui/views/frame/native_browser_frame_factory.h"
 
 #include "ash/shell.h"
-#include "chrome/browser/ui/views/frame/browser_frame_ashwin.h"
 #include "chrome/browser/ui/views/frame/desktop_browser_frame_aura.h"
 
 #if defined(MOJO_SHELL_CLIENT)
@@ -21,17 +20,5 @@ NativeBrowserFrame* NativeBrowserFrameFactory::Create(
     return new BrowserFrameMus(browser_frame, browser_view);
 #endif
 
-  if (ShouldCreateForAshDesktop(browser_view))
-    return new BrowserFrameAshWin(browser_frame, browser_view);
-
   return new DesktopBrowserFrameAura(browser_frame, browser_view);
 }
-
-// static
-chrome::HostDesktopType NativeBrowserFrameFactory::AdjustHostDesktopType(
-    chrome::HostDesktopType desktop_type) {
-  if (ash::Shell::HasInstance())
-    return chrome::HOST_DESKTOP_TYPE_ASH;
-
-  return desktop_type;
-}