Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/image-decoders/gif/GIFImageReader.h

 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
@@ skipping 26 matching lines @@
 
 #ifndef GIFImageReader_h
 #define GIFImageReader_h
 
 // Define ourselves as the clientPtr.  Mozilla just hacked their C++ callback class into this old C decoder,
 // so we will too.
 #include "platform/image-decoders/FastSharedBufferReader.h"
 #include "platform/image-decoders/gif/GIFImageDecoder.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
-#include <memory>
 
 #define MAX_DICTIONARY_ENTRY_BITS 12
 #define MAX_DICTIONARY_ENTRIES    4096 // 2^MAX_DICTIONARY_ENTRY_BITS
 #define MAX_COLORS                256
 #define BYTES_PER_COLORMAP_ENTRY  3
 
 const int cLoopCountNotSeen = -2;
 
 // List of possible parsing states.
 enum GIFState {
@@ skipping 200 matching lines @@
     unsigned m_height;
     size_t m_transparentPixel; // Index of transparent pixel. Value is kNotFound if there is no transparent pixel.
     blink::ImageFrame::DisposalMethod m_disposalMethod; // Restore to background, leave in place, etc.
     int m_dataSize;
 
     bool m_progressiveDisplay; // If true, do Haeberli interlace hack.
     bool m_interlaced; // True, if scanlines arrive interlaced order.
 
     unsigned m_delayTime; // Display time, in milliseconds, for this image in a multi-image GIF.
 
-    std::unique_ptr<GIFLZWContext> m_lzwContext;
+    OwnPtr<GIFLZWContext> m_lzwContext;
     Vector<GIFLZWBlock> m_lzwBlocks; // LZW blocks for this frame.
     GIFColorMap m_localColorMap;
 
     size_t m_currentLzwBlock;
     bool m_isComplete;
     bool m_isHeaderDefined;
     bool m_isDataSizeDefined;
 };
 
 class PLATFORM_EXPORT GIFImageReader final {
@@ skipping 65 matching lines @@
     size_t m_bytesRead; // Number of bytes processed.
 
     // Global (multi-image) state.
     int m_version; // Either 89 for GIF89 or 87 for GIF87.
     unsigned m_screenWidth; // Logical screen width & height.
     unsigned m_screenHeight;
     bool m_sentSizeToClient;
     GIFColorMap m_globalColorMap;
     int m_loopCount; // Netscape specific extension block to control the number of animation loops a GIF renders.
 
-    Vector<std::unique_ptr<GIFFrameContext>> m_frames;
+    Vector<OwnPtr<GIFFrameContext>> m_frames;
 
     RefPtr<blink::SegmentReader> m_data;
     bool m_parseCompleted;
 };
 
 #endif