Change (Pass)RefPtr<SkXxx> into sk_sp<SkXxx>.

third_party/WebKit/Source/platform/graphics/paint/SkPictureBuilder.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/graphics/paint/SkPictureBuilder.h"
 
 #include "platform/geometry/FloatRect.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/paint/PaintController.h"
 #include "wtf/PtrUtil.h"
@@ skipping 12 matching lines @@
     m_context = wrapUnique(new GraphicsContext(*m_paintController, disabledMode, metaData));
 
     if (containingContext) {
         m_context->setDeviceScaleFactor(containingContext->deviceScaleFactor());
         m_context->setPrinting(containingContext->printing());
     }
 }
 
 SkPictureBuilder::~SkPictureBuilder() {}
 
-PassRefPtr<SkPicture> SkPictureBuilder::endRecording()
+sk_sp<SkPicture> SkPictureBuilder::endRecording()
 {
     m_context->beginRecording(m_bounds);
     m_paintController->endSkippingCache();
     m_paintController->commitNewDisplayItems();
     m_paintController->paintArtifact().replay(*m_context);
     return m_context->endRecording();
 }
 
 } // namespace blink