Revert of Change SkDecodingImageGenerator API

tools/LazyDecodeBitmap.cpp

Index: tools/LazyDecodeBitmap.cpp
diff --git a/tools/LazyDecodeBitmap.cpp b/tools/LazyDecodeBitmap.cpp
index 83fca5f3b28fd1c0d332e2ae5967bc4506653fcb..9a4a36ffe85914360ff2db49af5701d574516382 100644
--- a/tools/LazyDecodeBitmap.cpp
+++ b/tools/LazyDecodeBitmap.cpp
@@ -31,11 +31,10 @@
         return false;
     }
 
-    SkAutoTDelete<SkImageGenerator> gen(
-        SkDecodingImageGenerator::Create(
-            data, SkDecodingImageGenerator::Options()));
+    SkAutoTDelete<SkImageGenerator> gen(SkNEW_ARGS(SkDecodingImageGenerator,
+                                                   (data)));
     SkImageInfo info;
-    if ((NULL == gen.get()) || !gen->getInfo(&info)) {
+    if (!gen->getInfo(&info)) {
         return false;
     }
     SkDiscardableMemory::Factory* pool = NULL;