Transfer WebCrypto databuffers across the Blink API using blink::WebVector.

third_party/WebKit/public/platform/WebVector.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 75 matching lines @@
         : m_data(other.m_data)
     {
     }
 
     template <typename C>
     WebVector(const C& other)
         : m_data(other.begin(), other.end())
     {
     }
 
+    WebVector(WebVector<T>&& other)
+    {
+        swap(other);
+    }
+
     WebVector& operator=(const WebVector& other)
     {
         if (this != &other)
             assign(other);
         return *this;
     }
 
+    WebVector& operator=(WebVector&& other)
+    {
+        if (this != &other)
+            swap(other);
+        return *this;
+    }
+
     template <typename C>
     WebVector<T>& operator=(const C& other)
     {
         if (this != reinterpret_cast<const WebVector<T>*>(&other))
             assign(other);
         return *this;
     }
 
     template <typename C>
     void assign(const C& other)
@@ skipping 35 matching lines @@
         m_data.swap(other.m_data);
     }
 
 private:
     std::vector<T> m_data;
 };
 
 } // namespace blink
 
 #endif