MacViews: Implement NativeViewHostMac (take 3)

ui/views/controls/native/native_view_host.h

Index: ui/views/controls/native/native_view_host.h
diff --git a/ui/views/controls/native/native_view_host.h b/ui/views/controls/native/native_view_host.h
index 0eca3776587e64165f935267d8d2e408d352ee2e..6c1890b5f2c9ebc1c7137274a2f5173f2d2914cf 100644
--- a/ui/views/controls/native/native_view_host.h
+++ b/ui/views/controls/native/native_view_host.h
@@ -11,8 +11,10 @@
 #include "ui/views/view.h"
 
 namespace views {
+namespace test {
+class NativeViewHostTestBase;
+}
 
-class NativeViewHostAuraTest;
 class NativeViewHostWrapper;
 
 // If a NativeViewHost's native view is a Widget, this native window
@@ -93,7 +95,7 @@ class VIEWS_EXPORT NativeViewHost : public View {
   virtual const char* GetClassName() const OVERRIDE;
 
  private:
-  friend class NativeViewHostAuraTest;
+  friend class test::NativeViewHostTestBase;
 
   // Detach the native view. |destroyed| is true if the native view is
   // detached because it's being destroyed, or false otherwise.