[WIP] Not for review. Zero copy.

chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.cc

Index: chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.cc
diff --git a/chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.cc b/chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.cc
index 259b07363833b1f64c1115e349905d1f4cf2a983..e84c7951c1c25a133278de6db09e8f491b987ea4 100644
--- a/chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.cc
+++ b/chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.cc
@@ -62,10 +62,11 @@ ui::NativeTheme* GetNativeThemeForWindow(aura::Window* window) {
 }
 #endif
 
-#if !defined(OS_CHROMEOS) && defined(USE_ASH)
+#if !defined(OS_CHROMEOS)
 // Returns the desktop this process was initially launched in.
 chrome::HostDesktopType GetInitialDesktop() {
-#if defined(OS_WIN) && defined(USE_ASH)
+#if defined(USE_ASH)
+#if defined(OS_WIN)
   const CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kViewerConnect) ||
       command_line->HasSwitch(switches::kViewerLaunchViaAppId)) {
@@ -76,6 +77,7 @@ chrome::HostDesktopType GetInitialDesktop() {
   if (command_line->HasSwitch(switches::kOpenAsh))
     return chrome::HOST_DESKTOP_TYPE_ASH;
 #endif
+#endif
 
   return chrome::HOST_DESKTOP_TYPE_NATIVE;
 }