Move off SK_SUPPORT_LEGACY_DATA_FACTORIES.

src/codec/SkWbmpCodec.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCodec.h"
 #include "SkCodecPriv.h"
 #include "SkColorPriv.h"
@@ skipping 137 matching lines @@
             *rowsDecoded = y;
             return kIncompleteInput;
         }
         swizzler->swizzle(dstRow, src.get());
         dstRow = SkTAddOffset<void>(dstRow, rowBytes);
     }
     return kSuccess;
 }
 
 bool SkWbmpCodec::IsWbmp(const void* buffer, size_t bytesRead) {
-    SkAutoTUnref<SkData> data(SkData::NewWithoutCopy(buffer, bytesRead));
-    SkMemoryStream stream(data);
+    SkMemoryStream stream(buffer, bytesRead, false);
     return read_header(&stream, nullptr);
 }
 
 SkCodec* SkWbmpCodec::NewFromStream(SkStream* stream) {
     SkAutoTDelete<SkStream> streamDeleter(stream);
     SkISize size;
     if (!read_header(stream, &size)) {
         return nullptr;
     }
     SkEncodedInfo info = SkEncodedInfo::Make(SkEncodedInfo::kGray_Color,
@@ skipping 39 matching lines @@
     }
 
     // Initialize the swizzler
     fSwizzler.reset(this->initializeSwizzler(dstInfo, get_color_ptr(fColorTable.get()), options));
     SkASSERT(fSwizzler);
 
     fSrcBuffer.reset(fSrcRowBytes);
 
     return kSuccess;
 }