reorg global initialization, separating core from optional

src/ports/SkGlobalInitialization_none.cpp

Index: src/ports/SkGlobalInitialization_none.cpp
diff --git a/example/mac/HelloWorldNSView.h b/src/ports/SkGlobalInitialization_none.cpp
similarity index 50%
copy from example/mac/HelloWorldNSView.h
copy to src/ports/SkGlobalInitialization_none.cpp
index 3de780feee17491ce9bf8957eb942caf8f97e3e6..06666fe07198e23087d5d552567e8e4aab4e02f7 100644
--- a/example/mac/HelloWorldNSView.h
+++ b/src/ports/SkGlobalInitialization_none.cpp
@@ -1,13 +1,10 @@
-
 /*
- * Copyright 2013 Google Inc.
+ * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
-#import "SkNSView.h"
-
-@interface HelloWorldNSView : SkNSView
+#include "SkFlattenable.h"
 
-@end
+void SkFlattenable::PrivateInitializer::InitEffects() {}