Remove OwnPtr from Blink.

third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp

Index: third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp
diff --git a/third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp b/third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp
index d444caa0bf644e481d7a9f15e3952de5ec2c4397..0de310a9e1bd4d5778df8c1a51061444cb5302f6 100644
--- a/third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp
+++ b/third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp
@@ -40,7 +40,9 @@
 
 #include "platform/Histogram.h"
 #include "png.h"
+#include "wtf/PtrUtil.h"
 #include "wtf/Threading.h"
+#include <memory>
 
 #if !defined(PNG_LIBPNG_VER_MAJOR) || !defined(PNG_LIBPNG_VER_MINOR)
 #error version error: compile against a versioned libpng.
@@ -144,10 +146,10 @@ public:
     bool hasAlpha() const { return m_hasAlpha; }
 
     png_bytep interlaceBuffer() const { return m_interlaceBuffer.get(); }
-    void createInterlaceBuffer(int size) { m_interlaceBuffer = adoptArrayPtr(new png_byte[size]); }
+    void createInterlaceBuffer(int size) { m_interlaceBuffer = wrapArrayUnique(new png_byte[size]); }
 #if USE(QCMSLIB)
     png_bytep rowBuffer() const { return m_rowBuffer.get(); }
-    void createRowBuffer(int size) { m_rowBuffer = adoptArrayPtr(new png_byte[size]); }
+    void createRowBuffer(int size) { m_rowBuffer = wrapArrayUnique(new png_byte[size]); }
 #endif
 
 private:
@@ -158,9 +160,9 @@ private:
     size_t m_currentBufferSize;
     bool m_decodingSizeOnly;
     bool m_hasAlpha;
-    OwnPtr<png_byte[]> m_interlaceBuffer;
+    std::unique_ptr<png_byte[]> m_interlaceBuffer;
 #if USE(QCMSLIB)
-    OwnPtr<png_byte[]> m_rowBuffer;
+    std::unique_ptr<png_byte[]> m_rowBuffer;
 #endif
 };
 
@@ -435,7 +437,7 @@ void PNGImageDecoder::decode(bool onlySize)
         return;
 
     if (!m_reader)
-        m_reader = adoptPtr(new PNGImageReader(this, m_offset));
+        m_reader = wrapUnique(new PNGImageReader(this, m_offset));
 
     // If we couldn't decode the image but have received all the data, decoding
     // has failed.