Remove OwnPtr from Blink.

third_party/WebKit/Source/platform/graphics/ContiguousContainer.h

Index: third_party/WebKit/Source/platform/graphics/ContiguousContainer.h
diff --git a/third_party/WebKit/Source/platform/graphics/ContiguousContainer.h b/third_party/WebKit/Source/platform/graphics/ContiguousContainer.h
index a52ad85271b7d7eb25e3b51d35da6704555fb318..a50431becefb31c3ab4a231c74212f66ea67bf33 100644
--- a/third_party/WebKit/Source/platform/graphics/ContiguousContainer.h
+++ b/third_party/WebKit/Source/platform/graphics/ContiguousContainer.h
@@ -10,11 +10,11 @@
 #include "wtf/Allocator.h"
 #include "wtf/Compiler.h"
 #include "wtf/Noncopyable.h"
-#include "wtf/OwnPtr.h"
 #include "wtf/TypeTraits.h"
 #include "wtf/Vector.h"
 #include <cstddef>
 #include <iterator>
+#include <memory>
 #include <utility>
 
 namespace blink {
@@ -67,7 +67,7 @@ private:
 
     Buffer* allocateNewBufferForNextAllocation(size_t, const char* typeName);
 
-    Vector<OwnPtr<Buffer>> m_buffers;
+    Vector<std::unique_ptr<Buffer>> m_buffers;
     unsigned m_endIndex;
     size_t m_maxObjectSize;
 };