setDrawFilter needs to trigger any deferred saves

gyp/tests.gypi

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # Common gypi for unit tests.
 {
   'include_dirs': [
     '../src/codec',
     '../src/core',
     '../src/effects',
@@ skipping 73 matching lines @@
     '../tests/DashPathEffectTest.cpp',
     '../tests/DataRefTest.cpp',
     '../tests/DeferredCanvasTest.cpp',
     '../tests/DeflateWStream.cpp',
     '../tests/DequeTest.cpp',
     '../tests/DeviceLooperTest.cpp',
     '../tests/DiscardableMemoryPoolTest.cpp',
     '../tests/DiscardableMemoryTest.cpp',
     '../tests/DocumentTest.cpp',
     '../tests/DrawBitmapRectTest.cpp',
+    '../tests/DrawFilterTest.cpp',
     '../tests/DrawPathTest.cpp',
     '../tests/DrawTextTest.cpp',
     '../tests/DynamicHashTest.cpp',
     '../tests/EmptyPathTest.cpp',
     '../tests/ErrorTest.cpp',
     '../tests/FillPathTest.cpp',
     '../tests/FitsInTest.cpp',
     '../tests/FlateTest.cpp',
     '../tests/FloatingPointTextureTest.cpp',
     '../tests/FontHostStreamTest.cpp',
@@ skipping 140 matching lines @@
     '../src/utils/debugger/SkObjectParser.h',
     '../src/utils/debugger/SkObjectParser.cpp',
 
     '../tests/PipeTest.cpp',
     '../src/pipe/utils/SamplePipeControllers.cpp',
 
     '../tests/TDStackNesterTest.cpp',
     '../experimental/PdfViewer/src/SkTDStackNester.h',
   ],
 }