Add IsInternal property to gfx::Display

ash/display/display_manager.h

Index: ash/display/display_manager.h
diff --git a/ash/display/display_manager.h b/ash/display/display_manager.h
index 56834d579cf35353ff9d20341ba5e75671cbb7ad..f9a27e23f70e8bbc5ca841d460c2f49ce82e3d7a 100644
--- a/ash/display/display_manager.h
+++ b/ash/display/display_manager.h
@@ -59,8 +59,6 @@ class ASH_EXPORT DisplayManager : public aura::RootWindowObserver {
 
   bool IsInternalDisplayId(int64 id) const;
 
-  uint64 internal_display_id() const { return internal_display_id_; }
-
   bool UpdateWorkAreaOfDisplayNearestWindow(const aura::Window* window,
                                             const gfx::Insets& insets);
 
@@ -171,6 +169,9 @@ class ASH_EXPORT DisplayManager : public aura::RootWindowObserver {
   // the internal display.
   int64 SetFirstDisplayAsInternalDisplayForTest();
 
+  // Reset the internal display id after test finishes.
+  void ResetInternalDisplayForTest();

[oshima, 2013/02/12 17:38:51]

If you want to keep this, then please move this to test::DisplayManagerTestApi.

(I'm moving other tests method to there)

[ynovikov, 2013/02/12 21:17:47]

Done.

+
   // Checks if the mouse pointer is on one of displays, and moves to
   // the center of the nearest display if it's outside of all displays.
   void EnsurePointerInDisplays();
@@ -189,8 +190,6 @@ class ASH_EXPORT DisplayManager : public aura::RootWindowObserver {
 
   DisplayList displays_;
 
-  int64 internal_display_id_;
-
   // An internal display cache used when the internal display is disconnectd.
   scoped_ptr<gfx::Display> internal_display_;