linux_aura: Compile ash into chrome.

chrome/browser/ui/ash/session_state_delegate_views.h

Index: chrome/browser/ui/ash/session_state_delegate_views.h
diff --git a/chrome/browser/ui/ash/session_state_delegate_views.h b/chrome/browser/ui/ash/session_state_delegate_views.h
index 8f6ac61fc6ebe3be9725fbcf854710dacec3bdc6..a75334c14a183812e53b63c666908ed3369478a4 100644
--- a/chrome/browser/ui/ash/session_state_delegate_views.h
+++ b/chrome/browser/ui/ash/session_state_delegate_views.h
@@ -9,6 +9,7 @@
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/observer_list.h"
+#include "ui/gfx/image/image_skia.h"
 
 namespace ash {
 class SessionStateObserver;
@@ -52,6 +53,9 @@ class SessionStateDelegate : public ash::SessionStateDelegate {
   virtual void RemoveSessionStateObserver(
       ash::SessionStateObserver* observer) OVERRIDE;
  private:
+  // A psuedo user image.
+  gfx::ImageSkia null_image_;
+
   DISALLOW_COPY_AND_ASSIGN(SessionStateDelegate);
 };