Treat displays with and without EDID the same way

ui/display/chromeos/test/test_display_snapshot.h

Index: ui/display/chromeos/test/test_display_snapshot.h
diff --git a/ui/display/chromeos/test/test_display_snapshot.h b/ui/display/chromeos/test/test_display_snapshot.h
index 95653ca9849e355b10cdc7d989602d8228b0b5de..5691c897cc357e77c7eef3660549940a855b1565 100644
--- a/ui/display/chromeos/test/test_display_snapshot.h
+++ b/ui/display/chromeos/test/test_display_snapshot.h
@@ -14,7 +14,6 @@ class DISPLAY_EXPORT TestDisplaySnapshot : public DisplaySnapshot {
  public:
   TestDisplaySnapshot();
   TestDisplaySnapshot(int64_t display_id,
-                      bool has_proper_display_id,
                       const gfx::Point& origin,
                       const gfx::Size& physical_size,
                       DisplayConnectionType type,
@@ -34,9 +33,6 @@ class DISPLAY_EXPORT TestDisplaySnapshot : public DisplaySnapshot {
     is_aspect_preserving_scaling_ = state;
   }
   void set_display_id(int64_t id) { display_id_ = id; }
-  void set_has_proper_display_id(bool has_display_id) {
-    has_proper_display_id_ = has_display_id;
-  }
 
   // DisplaySnapshot overrides:
   virtual std::string ToString() const override;