Remove OwnPtr from Blink.

third_party/WebKit/Source/core/input/EventHandler.cpp

Index: third_party/WebKit/Source/core/input/EventHandler.cpp
diff --git a/third_party/WebKit/Source/core/input/EventHandler.cpp b/third_party/WebKit/Source/core/input/EventHandler.cpp
index 919c42388cb524c01726b633a4b8ecd5c2f695b3..2ce4b35d33ec7b8c00b4b1ac77a48f5b1688870a 100644
--- a/third_party/WebKit/Source/core/input/EventHandler.cpp
+++ b/third_party/WebKit/Source/core/input/EventHandler.cpp
@@ -100,8 +100,10 @@
 #include "platform/scroll/Scrollbar.h"
 #include "wtf/Assertions.h"
 #include "wtf/CurrentTime.h"
+#include "wtf/PtrUtil.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/TemporaryChange.h"
+#include <memory>
 
 namespace blink {
 
@@ -1112,12 +1114,12 @@ WebInputEventResult EventHandler::handleMouseReleaseEvent(const PlatformMouseEve
     if (!mouseEvent.fromTouch())
         m_frame->selection().setCaretBlinkingSuspended(false);
 
-    OwnPtr<UserGestureIndicator> gestureIndicator;
+    std::unique_ptr<UserGestureIndicator> gestureIndicator;
 
     if (m_frame->localFrameRoot()->eventHandler().m_lastMouseDownUserGestureToken)
-        gestureIndicator = adoptPtr(new UserGestureIndicator(m_frame->localFrameRoot()->eventHandler().m_lastMouseDownUserGestureToken.release()));
+        gestureIndicator = wrapUnique(new UserGestureIndicator(m_frame->localFrameRoot()->eventHandler().m_lastMouseDownUserGestureToken.release()));
     else
-        gestureIndicator = adoptPtr(new UserGestureIndicator(DefinitelyProcessingUserGesture));
+        gestureIndicator = wrapUnique(new UserGestureIndicator(DefinitelyProcessingUserGesture));
 
 #if OS(WIN)
     if (Page* page = m_frame->page())