Remove OwnPtr from Blink.

third_party/WebKit/Source/modules/mediacapturefromelement/AutoCanvasDrawListener.cpp

Index: third_party/WebKit/Source/modules/mediacapturefromelement/AutoCanvasDrawListener.cpp
diff --git a/third_party/WebKit/Source/modules/mediacapturefromelement/AutoCanvasDrawListener.cpp b/third_party/WebKit/Source/modules/mediacapturefromelement/AutoCanvasDrawListener.cpp
index d5aca1b5acde47c03aef50912ee08050adf380e9..1109202ab361b784a164aa62685457e7a02688f7 100644
--- a/third_party/WebKit/Source/modules/mediacapturefromelement/AutoCanvasDrawListener.cpp
+++ b/third_party/WebKit/Source/modules/mediacapturefromelement/AutoCanvasDrawListener.cpp
@@ -4,15 +4,17 @@
 
 #include "modules/mediacapturefromelement/AutoCanvasDrawListener.h"
 
+#include <memory>
+
 namespace blink {
 
-AutoCanvasDrawListener::AutoCanvasDrawListener(PassOwnPtr<WebCanvasCaptureHandler> handler)
+AutoCanvasDrawListener::AutoCanvasDrawListener(std::unique_ptr<WebCanvasCaptureHandler> handler)
     : CanvasDrawListener(std::move(handler))
 {
 }
 
 // static
-AutoCanvasDrawListener* AutoCanvasDrawListener::create(PassOwnPtr<WebCanvasCaptureHandler> handler)
+AutoCanvasDrawListener* AutoCanvasDrawListener::create(std::unique_ptr<WebCanvasCaptureHandler> handler)
 {
     return new AutoCanvasDrawListener(std::move(handler));
 }