Clean up some dead code.

tools/flatten.cpp

Index: tools/flatten.cpp
diff --git a/tools/flatten.cpp b/tools/flatten.cpp
deleted file mode 100644
index 8ba20929fb0f6c79591287991280eab339c5d804..0000000000000000000000000000000000000000
--- a/tools/flatten.cpp
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * 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 "SkData.h"
-#include "SkForceLinking.h"
-#include "SkImageGenerator.h"
-#include "SkPicture.h"
-#include "SkPictureRecorder.h"
-#include "SkStream.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-
-__SK_FORCE_IMAGE_DECODER_LINKING;
-
-#define ASSERTF(cond, fmt, ...) if (!(cond)) { fprintf(stderr, fmt"\n", __VA_ARGS__); exit(1); }
-
-static bool lazy_decode_bitmap(const void* src, size_t size, SkBitmap* dst) {
-    SkAutoTUnref<SkData> encoded(SkData::NewWithCopy(src, size));
-    return encoded && SkDEPRECATED_InstallDiscardablePixelRef(encoded, dst);
-}
-
-int main(int argc, char** argv) {
-    ASSERTF(argc == 3, "usage: %s nested.skp flat.skp", argv[0]);
-    const char *nestedPath = argv[1],
-               *flatPath   = argv[2];
-
-    // Read nested.skp.
-    SkFILEStream stream(nestedPath);
-    ASSERTF(stream.isValid(), "Couldn't read %s.", nestedPath);
-    SkAutoTUnref<const SkPicture> nested(SkPicture::CreateFromStream(&stream, &lazy_decode_bitmap));
-    ASSERTF(nested, "Couldn't parse %s as a picture.", nestedPath);
-
-    // Play it back into a new picture using kPlaybackDrawPicture_RecordFlag.
-    SkPictureRecorder recorder;
-    uint32_t flags = SkPictureRecorder::kPlaybackDrawPicture_RecordFlag;
-    nested->playback(recorder.beginRecording(nested->cullRect(), nullptr, flags));
-    SkAutoTUnref<const SkPicture> flat(recorder.endRecordingAsPicture());
-
-    // Write out that flat.skp
-    SkFILEWStream wstream(flatPath);
-    ASSERTF(wstream.isValid(), "Could not open %s.", flatPath);
-    flat->serialize(&wstream);
-    wstream.flush();
-
-    return 0;
-}