Add miniz library to third_party, use it on Windows

src/core/SkFlate.cpp

 
 /*
  * Copyright 2010 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 "SkFlate.h"
 #include "SkStream.h"
 
-#ifndef SK_HAS_ZLIB
+#if !defined(SK_HAS_ZLIB) && !defined(MINIZ_INCLUDE)
 bool SkFlate::HaveFlate() { return false; }
 bool SkFlate::Deflate(SkStream*, SkWStream*) { return false; }
 bool SkFlate::Deflate(const void*, size_t, SkWStream*) { return false; }
 bool SkFlate::Deflate(const SkData*, SkWStream*) { return false; }
 bool SkFlate::Inflate(SkStream*, SkWStream*) { return false; }
 #else
 
 // static
 bool SkFlate::HaveFlate() {
     return true;
 }
 
 namespace {
 
-#ifdef SK_SYSTEM_ZLIB
+#ifdef MINIZ_INCLUDE
+#include MINIZ_INCLUDE
+#elif defined(SK_SYSTEM_ZLIB)
 #include <zlib.h>
 #else
 #include SK_ZLIB_INCLUDE

[mtklein, 2014/08/13 17:57:09]

Can we do this so that SK_ZLIB_INCLUDE is defined to miniz.c?

 #endif
 
 // static
 const size_t kBufferSize = 1024;
 
 bool doFlate(bool compress, SkStream* src, SkWStream* dst) {
     uint8_t inputBuffer[kBufferSize];
     uint8_t outputBuffer[kBufferSize];
     z_stream flateData;
     flateData.zalloc = NULL;
@@ skipping 88 matching lines @@
     }
     return false;
 }
 
 // static
 bool SkFlate::Inflate(SkStream* src, SkWStream* dst) {
     return doFlate(false, src, dst);
 }
 
 #endif