remove dead code behind BOOL_ONGETINFO

src/ports/SkImageGenerator_skia.cpp

 /*
  * Copyright 2015 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkData.h"
 #include "SkImageDecoder.h"
 #include "SkImageGenerator.h"
@@ skipping 29 matching lines @@
 public:
     SkImageDecoderGenerator(const SkImageInfo& info, SkImageDecoder* decoder, SkData* data)
         : INHERITED(info), fInfo(info), fDecoder(decoder), fData(SkRef(data))
     {}
 
 protected:
     SkData* onRefEncodedData() override {
         return SkRef(fData.get());
     }
 
-#ifdef SK_SUPPORT_LEGACY_BOOL_ONGETINFO
-    virtual bool onGetInfo(SkImageInfo* info) override {
-        *info = fInfo;
-        return true;
-    }
-#endif
-
     virtual Result onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
                                const Options&,
                                SkPMColor ctableEntries[], int* ctableCount) override {
         SkMemoryStream stream(fData->data(), fData->size(), false);
         SkAutoTUnref<BareMemoryAllocator> allocator(SkNEW_ARGS(BareMemoryAllocator,
                                                                (info, pixels, rowBytes)));
         fDecoder->setAllocator(allocator);
         fDecoder->setRequireUnpremultipliedColors(kUnpremul_SkAlphaType == info.alphaType());
 
         SkBitmap bm;
@@ skipping 45 matching lines @@
 
     SkBitmap bm;
     stream.rewind();
     if (!decoder->decode(&stream, &bm, kUnknown_SkColorType, SkImageDecoder::kDecodeBounds_Mode)) {
         SkDELETE(decoder);
         return NULL;
     }
 
     return SkNEW_ARGS(SkImageDecoderGenerator, (bm.info(), decoder, data));
 }