Revert "Remove OwnPtr from Blink."

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

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 31 matching lines @@
 #include "third_party/skia/include/core/SkData.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 #include "third_party/skia/include/core/SkRRect.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "third_party/skia/include/effects/SkLumaColorFilter.h"
 #include "third_party/skia/include/effects/SkPictureImageFilter.h"
 #include "third_party/skia/include/utils/SkNullCanvas.h"
 #include "wtf/Assertions.h"
 #include "wtf/MathExtras.h"
-#include <memory>
 
 namespace blink {
 
 GraphicsContext::GraphicsContext(PaintController& paintController, DisabledMode disableContextOrPainting, SkMetaData* metaData)
     : m_canvas(nullptr)
     , m_paintController(paintController)
     , m_paintStateStack()
     , m_paintStateIndex(0)
 #if ENABLE(ASSERT)
     , m_layerCount(0)
@@ skipping 106 matching lines @@
 }
 #endif
 
 void GraphicsContext::setShadow(const FloatSize& offset, float blur, const Color& color,
     DrawLooperBuilder::ShadowTransformMode shadowTransformMode,
     DrawLooperBuilder::ShadowAlphaMode shadowAlphaMode, ShadowMode shadowMode)
 {
     if (contextDisabled())
         return;
 
-    std::unique_ptr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
+    OwnPtr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
     if (!color.alpha()) {
         // When shadow-only but there is no shadow, we use an empty draw looper
         // to disable rendering of the source primitive.  When not shadow-only, we
         // clear the looper.
         if (shadowMode != DrawShadowOnly)
             drawLooperBuilder.reset();
 
         setDrawLooper(std::move(drawLooperBuilder));
         return;
     }
 
     drawLooperBuilder->addShadow(offset, blur, color, shadowTransformMode, shadowAlphaMode);
     if (shadowMode == DrawShadowAndForeground) {
         drawLooperBuilder->addUnmodifiedContent();
     }
     setDrawLooper(std::move(drawLooperBuilder));
 }
 
-void GraphicsContext::setDrawLooper(std::unique_ptr<DrawLooperBuilder> drawLooperBuilder)
+void GraphicsContext::setDrawLooper(PassOwnPtr<DrawLooperBuilder> drawLooperBuilder)
 {
     if (contextDisabled())
         return;
 
     mutableState()->setDrawLooper(drawLooperBuilder ? drawLooperBuilder->detachDrawLooper() : nullptr);
 }
 
 SkColorFilter* GraphicsContext::colorFilter() const
 {
     return immutableState()->colorFilter();
@@ skipping 218 matching lines @@
     if (rect.isRounded()) {
         clipRoundedRect(rect);
         if (shadowSpread < 0)
             roundedHole.expandRadii(-shadowSpread);
         else
             roundedHole.shrinkRadii(shadowSpread);
     } else {
         clip(rect.rect());
     }
 
-    std::unique_ptr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
+    OwnPtr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
     drawLooperBuilder->addShadow(FloatSize(shadowOffset), shadowBlur, shadowColor,
         DrawLooperBuilder::ShadowRespectsTransforms, DrawLooperBuilder::ShadowIgnoresAlpha);
     setDrawLooper(std::move(drawLooperBuilder));
     fillRectWithRoundedHole(outerRect, roundedHole, fillColor);
 }
 
 void GraphicsContext::drawLine(const IntPoint& point1, const IntPoint& point2)
 {
     if (contextDisabled())
         return;
@@ skipping 883 matching lines @@
     static const SkPMColor colors[] = {
         SkPreMultiplyARGB(0x60, 0xFF, 0x00, 0x00), // More transparent red
         SkPreMultiplyARGB(0x60, 0xC0, 0xC0, 0xC0)  // More transparent gray
     };
 
     return colors[index];
 }
 #endif
 
 } // namespace blink