Add sk_sp helpers and switch Blink SkShader clients to the new APIs

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

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2013 Google, Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 11 matching lines @@
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "platform/graphics/Pattern.h"
 
 #include "platform/graphics/ImagePattern.h"
 #include "platform/graphics/PicturePattern.h"
+#include "platform/graphics/skia/SkiaUtils.h"
 #include "third_party/skia/include/core/SkImage.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "third_party/skia/include/core/SkShader.h"
 #include <v8.h>
 
 namespace blink {
 
 PassRefPtr<Pattern> Pattern::createImagePattern(PassRefPtr<Image> tileImage, RepeatMode repeatMode)
 {
     return ImagePattern::create(tileImage, repeatMode);
 }
 
-PassRefPtr<Pattern> Pattern::createPicturePattern(PassRefPtr<const SkPicture> picture,
+PassRefPtr<Pattern> Pattern::createPicturePattern(PassRefPtr<SkPicture> picture,
     RepeatMode repeatMode)
 {
     return PicturePattern::create(picture, repeatMode);
 }
 
 Pattern::Pattern(RepeatMode repeatMode, int64_t externalMemoryAllocated)
     : m_repeatMode(repeatMode)
     , m_externalMemoryAllocated(0)
 {
     adjustExternalMemoryAllocated(externalMemoryAllocated);
 }
 
 Pattern::~Pattern()
 {
     adjustExternalMemoryAllocated(-m_externalMemoryAllocated);
 }
 
 void Pattern::applyToPaint(SkPaint& paint)
 {
     if (!m_pattern) {
         m_pattern = createShader();
     }
 
-    paint.setShader(m_pattern.get());
+    paint.setShader(adoptSkSp<SkShader>(m_pattern));
 }
 
 void Pattern::setPatternSpaceTransform(const AffineTransform& patternSpaceTransformation)
 {
     if (patternSpaceTransformation == m_patternSpaceTransformation)
         return;
 
     m_patternSpaceTransformation = patternSpaceTransformation;
     m_pattern.clear();
 }
 
 void Pattern::adjustExternalMemoryAllocated(int64_t delta)
 {
     delta = std::max(-m_externalMemoryAllocated, delta);
 
     v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(delta);
 
     m_externalMemoryAllocated += delta;
 }
 
 } // namespace blink