Remove the use of OwnedPtrDeleter in WebMessagePortChannel.

third_party/WebKit/public/platform/WebMessagePortChannel.h

Index: third_party/WebKit/public/platform/WebMessagePortChannel.h
diff --git a/third_party/WebKit/public/platform/WebMessagePortChannel.h b/third_party/WebKit/public/platform/WebMessagePortChannel.h
index 6fce4e7a8831b443b2d5b3458cf91b181e717b58..e6e1da4b455c4141531418ab11249cc116dfbb9c 100644
--- a/third_party/WebKit/public/platform/WebMessagePortChannel.h
+++ b/third_party/WebKit/public/platform/WebMessagePortChannel.h
@@ -34,6 +34,10 @@
 #include "WebCommon.h"
 #include "WebVector.h"
 
+#if INSIDE_BLINK
+#include <memory>
+#endif
+
 namespace blink {
 
 class WebMessagePortChannelClient;
@@ -56,23 +60,20 @@ protected:
     ~WebMessagePortChannel() { }
 };
 
-} // namespace blink
-
 #if INSIDE_BLINK
 
-namespace WTF {
-
-template<typename T> struct OwnedPtrDeleter;
-template<> struct OwnedPtrDeleter<blink::WebMessagePortChannel> {
-    static void deletePtr(blink::WebMessagePortChannel* channel)
+struct WebMessagePortChannelDeleter {
+    void operator()(WebMessagePortChannel* channel)
     {
         if (channel)
             channel->destroy();
     }
 };
 
-} // namespace WTF
+using WebMessagePortChannelUniquePtr = std::unique_ptr<WebMessagePortChannel, WebMessagePortChannelDeleter>;
 
 #endif // INSIDE_BLINK
 
+} // namespace blink
+
 #endif // WebMessagePortChannel_h