Remove OwnPtr from Blink.

third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp

Index: third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
diff --git a/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp b/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
index 86b14a70ef21f6209b91835456ba85c93325f7a7..af9291ef6bfe12a8bf7a08787678ed98aacba1b3 100644
--- a/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
+++ b/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
@@ -50,6 +50,7 @@
 #include "public/platform/Platform.h"
 #include "public/platform/WebThread.h"
 #include "public/platform/WebTraceLocation.h"
+#include <memory>
 #include <v8.h>
 
 namespace blink {
@@ -234,7 +235,7 @@ void ImageBitmapFactories::ImageBitmapLoader::decodeImageOnDecoderThread(WebTask
     ImageDecoder::GammaAndColorProfileOption colorSpaceOp = ImageDecoder::GammaAndColorProfileApplied;
     if (m_options.colorSpaceConversion() == "none")
         colorSpaceOp = ImageDecoder::GammaAndColorProfileIgnored;
-    OwnPtr<ImageDecoder> decoder(ImageDecoder::create(*sharedBuffer, alphaOp, colorSpaceOp));
+    std::unique_ptr<ImageDecoder> decoder(ImageDecoder::create(*sharedBuffer, alphaOp, colorSpaceOp));
     RefPtr<SkImage> frame;
     if (decoder) {
         decoder->setData(sharedBuffer.get(), true);