Work on USE_ASH/USE_AURA split.

chrome/browser/platform_util_aura.cc

Index: chrome/browser/platform_util_aura.cc
diff --git a/chrome/browser/platform_util_aura.cc b/chrome/browser/platform_util_aura.cc
index 0bafa3aa3e1ff8b910e033c7d8b259acee337c65..c56591f0a2c97a406b972bead2b1d5717637f569 100644
--- a/chrome/browser/platform_util_aura.cc
+++ b/chrome/browser/platform_util_aura.cc
@@ -4,10 +4,13 @@
 
 #include "chrome/browser/platform_util.h"
 
-#include "ash/wm/window_util.h"
 #include "base/logging.h"
 #include "ui/aura/window.h"
 
+#if defined(USE_ASH)
+#include "ash/wm/window_util.h"
+#endif
+
 namespace platform_util {
 
 gfx::NativeWindow GetTopLevel(gfx::NativeView view) {
@@ -19,11 +22,20 @@ gfx::NativeView GetParent(gfx::NativeView view) {
 }
 
 bool IsWindowActive(gfx::NativeWindow window) {
+#if defined(USE_ASH)
   return ash::wm::IsActiveWindow(window);
+#else
+  NOTIMPLEMENTED();
+  return false;
+#endif
 }
 
 void ActivateWindow(gfx::NativeWindow window) {
+#if defined(USE_ASH)
   ash::wm::ActivateWindow(window);
+#else
+  NOTIMPLEMENTED();
+#endif
 }
 
 bool IsVisible(gfx::NativeView view) {