skia: Added SkDiscardableMemory interface.

src/ports/SkDiscardableMemory_none.cpp

Index: src/ports/SkDiscardableMemory_none.cpp
diff --git a/experimental/SkiaExamples/SkExampleNSView.h b/src/ports/SkDiscardableMemory_none.cpp
similarity index 55%
copy from experimental/SkiaExamples/SkExampleNSView.h
copy to src/ports/SkDiscardableMemory_none.cpp
index 755fcdeb496c2972cbb786799d9a427e2a22ccce..0f9890e0e879fa197168fd3f21a2b71f0862601e 100644
--- a/experimental/SkiaExamples/SkExampleNSView.h
+++ b/src/ports/SkDiscardableMemory_none.cpp
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2013 Google Inc.
  *
@@ -6,8 +5,8 @@
  * found in the LICENSE file.
  */
 
-#import "SkNSView.h"
-
-@interface SkExampleNSView : SkNSView
+#include "SkDiscardableMemory.h"
 
-@end
+SkDiscardableMemory* SkDiscardableMemory::create(size_t bytes) {
+    return NULL;
+}