only notify bitmaps that have been added to the cache

src/gpu/SkGrPixelRef.cpp

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
@@ skipping 171 matching lines @@
                                 kSkia8888_GrPixelConfig,
                                 buffer, cachedBitmap.rowBytes());
 
         if (!readPixelsOk) {
             return false;
         }
 
         // If we are here, pixels were read correctly from the surface.
         cachedBitmap.setImmutable();
         //Add to the cache
-        SkBitmapCache::Add(this->getGenerationID(), bounds, cachedBitmap);
+        SkBitmapCache::Add(this, bounds, cachedBitmap);
 
         dst->swap(cachedBitmap);
     }
 
     return true;
 
 }