Remove SkMovie and giflib

src/ports/SkImageEncoder_none.cpp

 /*
  * Copyright 2006 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 "SkBitmap.h"
 #include "SkImage.h"
 #include "SkImageEncoder.h"
-#include "SkMovie.h"
 #include "SkPixelSerializer.h"
 #include "SkStream.h"
 
 /////////////////////////////////////////////////////////////////////////
 
-// Empty implementation for SkMovie.
-
-SkMovie* SkMovie::DecodeStream(SkStreamRewindable* stream) {
-    return nullptr;
-}
-
-/////////////////////////////////////////////////////////////////////////
-
 // Empty implementations for SkImageEncoder.
 
 SkImageEncoder* SkImageEncoder::Create(Type t) {
     return nullptr;
 }
 
 bool SkImageEncoder::EncodeFile(const char file[], const SkBitmap&, Type, int quality) {
     return false;
 }
 
@@ skipping 32 matching lines @@
     bool onUseEncodedData(const void*, size_t) override { return true; }
     SkData* onEncode(const SkPixmap&) override { return nullptr; }
 };
 }  // namespace
 
 SkPixelSerializer* SkImageEncoder::CreatePixelSerializer() {
     return new ImageEncoderPixelSerializer;
 }
 
 /////////////////////////////////////////////////////////////////////////