Revert of Revert "Serialization of SkPictureImageFilter"

tests/SurfaceTest.cpp

Index: tests/SurfaceTest.cpp
diff --git a/tests/SurfaceTest.cpp b/tests/SurfaceTest.cpp
index 179a33c8bf59f5e469f5003b4858b24d8dad35e4..8075913dd7d0588640d1fbab29bf04d259c7e6f9 100644
--- a/tests/SurfaceTest.cpp
+++ b/tests/SurfaceTest.cpp
@@ -60,7 +60,7 @@
     size_t size = info.getSafeSize(rowBytes);
     void* addr = sk_malloc_throw(size);
     SkData* data = SkData::NewFromMalloc(addr, size);
-    
+
     REPORTER_ASSERT(reporter, 1 == data->getRefCnt());
     SkImage* image = SkImage::NewRasterData(info, data, rowBytes);
     REPORTER_ASSERT(reporter, 2 == data->getRefCnt());
@@ -124,7 +124,7 @@
     for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) {
         SkImageInfo info;
         size_t rowBytes;
-        
+
         SkAutoTUnref<SkImage> image(createImage(gRec[i].fType, NULL, color));
         if (!image.get()) {
             continue;   // gpu may not be enabled