Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.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 "modules/canvas2d/CanvasRenderingContext2DState.h"
 
 #include "core/css/CSSFontSelector.h"
 #include "core/css/resolver/FilterOperationResolver.h"
 #include "core/css/resolver/StyleBuilder.h"
 #include "core/css/resolver/StyleResolverState.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/paint/FilterEffectBuilder.h"
 #include "core/style/ComputedStyle.h"
 #include "core/svg/SVGFilterElement.h"
 #include "modules/canvas2d/CanvasGradient.h"
 #include "modules/canvas2d/CanvasPattern.h"
 #include "modules/canvas2d/CanvasRenderingContext2D.h"
 #include "modules/canvas2d/CanvasStyle.h"
 #include "platform/graphics/DrawLooperBuilder.h"
 #include "platform/graphics/filters/FilterOperation.h"
 #include "platform/graphics/filters/SkiaImageFilterBuilder.h"
 #include "platform/graphics/skia/SkiaUtils.h"
 #include "third_party/skia/include/effects/SkDashPathEffect.h"
 #include "third_party/skia/include/effects/SkDropShadowImageFilter.h"
-#include <memory>
 
 static const char defaultFont[] = "10px sans-serif";
 static const char defaultFilter[] = "none";
 
 namespace blink {
 
 CanvasRenderingContext2DState::CanvasRenderingContext2DState()
     : m_unrealizedSaveCount(0)
     , m_strokeStyle(CanvasStyle::createFromRGBA(SK_ColorBLACK))
     , m_fillStyle(CanvasStyle::createFromRGBA(SK_ColorBLACK))
@@ skipping 309 matching lines @@
 }
 
 void CanvasRenderingContext2DState::clearResolvedFilter() const
 {
     m_resolvedFilter.reset();
 }
 
 SkDrawLooper* CanvasRenderingContext2DState::emptyDrawLooper() const
 {
     if (!m_emptyDrawLooper) {
-        std::unique_ptr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
+        OwnPtr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
         m_emptyDrawLooper = drawLooperBuilder->detachDrawLooper();
     }
     return m_emptyDrawLooper.get();
 }
 
 SkDrawLooper* CanvasRenderingContext2DState::shadowOnlyDrawLooper() const
 {
     if (!m_shadowOnlyDrawLooper) {
-        std::unique_ptr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
+        OwnPtr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
         drawLooperBuilder->addShadow(m_shadowOffset, m_shadowBlur, m_shadowColor, DrawLooperBuilder::ShadowIgnoresTransforms, DrawLooperBuilder::ShadowRespectsAlpha);
         m_shadowOnlyDrawLooper = drawLooperBuilder->detachDrawLooper();
     }
     return m_shadowOnlyDrawLooper.get();
 }
 
 SkDrawLooper* CanvasRenderingContext2DState::shadowAndForegroundDrawLooper() const
 {
     if (!m_shadowAndForegroundDrawLooper) {
-        std::unique_ptr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
+        OwnPtr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
         drawLooperBuilder->addShadow(m_shadowOffset, m_shadowBlur, m_shadowColor, DrawLooperBuilder::ShadowIgnoresTransforms, DrawLooperBuilder::ShadowRespectsAlpha);
         drawLooperBuilder->addUnmodifiedContent();
         m_shadowAndForegroundDrawLooper = drawLooperBuilder->detachDrawLooper();
     }
     return m_shadowAndForegroundDrawLooper.get();
 }
 
 SkImageFilter* CanvasRenderingContext2DState::shadowOnlyImageFilter() const
 {
     if (!m_shadowOnlyImageFilter) {
@@ skipping 177 matching lines @@
         paint->setLooper(0);
         paint->setImageFilter(shadowAndForegroundImageFilter());
         return paint;
     }
     paint->setLooper(sk_ref_sp(shadowAndForegroundDrawLooper()));
     paint->setImageFilter(0);
     return paint;
 }
 
 } // namespace blink