only notify bitmaps that have been added to the cache

src/lazy/SkCachingPixelRef.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCachingPixelRef.h"
 #include "SkBitmapCache.h"
 #include "SkRect.h"
@@ skipping 45 matching lines @@
                 fLockedBitmap.getPixels(), fRowBytes);
         switch (result) {
             case SkImageGenerator::kIncompleteInput:
             case SkImageGenerator::kSuccess:
                 break;
             default:
                 fErrorInDecoding = true;
                 return false;
         }
         fLockedBitmap.setImmutable();
-        SkBitmapCache::Add(
-                this->getGenerationID(), info.bounds(), fLockedBitmap);
+        SkBitmapCache::Add(this, info.bounds(), fLockedBitmap);
     }
 
     // Now bitmap should contain a concrete PixelRef of the decoded image.
     void* pixels = fLockedBitmap.getPixels();
     SkASSERT(pixels != NULL);
     rec->fPixels = pixels;
     rec->fColorTable = NULL;
     rec->fRowBytes = fLockedBitmap.rowBytes();
     return true;
 }
 
 void SkCachingPixelRef::onUnlockPixels() {
     fLockedBitmap.reset();
 }