Change SkDecodingImageGenerator API

tests/CachedDecodingPixelRefTest.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 "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkData.h"
@@ skipping 128 matching lines @@
             }
         }
         bool comparePixels = (SkImageEncoder::kPNG_Type == type);
         compare_bitmaps(reporter, original, lazy, comparePixels);
     }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 static bool install_skCachingPixelRef(SkData* encoded, SkBitmap* dst) {
     return SkCachingPixelRef::Install(
-        SkNEW_ARGS(SkDecodingImageGenerator, (encoded)), dst);
+        SkNEW_ARGS(SkDecodingImageGenerator, (encoded, NULL)), dst);
 }
 static bool install_skDiscardablePixelRef(SkData* encoded, SkBitmap* dst) {
     // Use system-default discardable memory.
-    return SkDecodingImageGenerator::Install(encoded, dst, NULL);
+    return SkDecodingImageGenerator::Install(encoded, dst, NULL, NULL);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 /**
  *  This checks to see that a SkCachingPixelRef and a
  *  SkDiscardablePixelRef works as advertised with a
  *  SkDecodingImageGenerator.
  */
 DEF_TEST(DecodingImageGenerator, reporter) {
     test_three_encodings(reporter, install_skCachingPixelRef);
@@ skipping 137 matching lines @@
     SkDiscardableMemoryPool* globalPool = SkGetGlobalDiscardableMemoryPool();
     // Only acts differently from NULL on a platform that has a
     // default discardable memory implementation that differs from the
     // global DM pool.
     CheckPixelRef(TestImageGenerator::kFailGetPixels_TestType,
                   reporter, kSkDiscardable_PixelRefType, globalPool);
     CheckPixelRef(TestImageGenerator::kSucceedGetPixels_TestType,
                   reporter, kSkDiscardable_PixelRefType, globalPool);
 }
 ////////////////////////////////////////////////////////////////////////////////