Replaced RefPtr::release with std::move in Source/platform.

third_party/WebKit/Source/platform/graphics/PictureSnapshot.cpp

Index: third_party/WebKit/Source/platform/graphics/PictureSnapshot.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/PictureSnapshot.cpp b/third_party/WebKit/Source/platform/graphics/PictureSnapshot.cpp
index 729c88f19067bfa266afe5d506a122a12817d8c9..e3b2240f07d9fc15d6c19232dc5c56d45a5a13db 100644
--- a/third_party/WebKit/Source/platform/graphics/PictureSnapshot.cpp
+++ b/third_party/WebKit/Source/platform/graphics/PictureSnapshot.cpp
@@ -66,7 +66,7 @@ class SkiaImageDecoder final : public SkImageDeserializer {
     RefPtr<SegmentReader> segmentReader =
         SegmentReader::createFromSkData(SkData::MakeWithoutCopy(data, length));
     std::unique_ptr<ImageDecoder> imageDecoder = ImageDecoder::create(
-        segmentReader.release(), true, ImageDecoder::AlphaPremultiplied,
+        std::move(segmentReader), true, ImageDecoder::AlphaPremultiplied,
         ColorBehavior::ignore());
     if (!imageDecoder)
       return nullptr;