Enable Blink to pass extra Mojo handles across MessagePorts

third_party/WebKit/public/platform/WebMessagePortChannel.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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebMessagePortChannel_h
 #define WebMessagePortChannel_h
 
+#include <memory>
+
 #include "WebCommon.h"
 #include "WebVector.h"
-#include <memory>
+#include "mojo/public/cpp/system/handle.h"
 
 namespace blink {
 
 class WebMessagePortChannelClient;
 class WebString;
 
 using WebMessagePortChannelUniquePtr =
     std::unique_ptr<class WebMessagePortChannel>;
 using WebMessagePortChannelArray = WebVector<WebMessagePortChannelUniquePtr>;
 
 // Provides an interface to a Message Port Channel implementation.
 class WebMessagePortChannel {
  public:
   virtual ~WebMessagePortChannel() {}
   virtual void setClient(WebMessagePortChannelClient*) = 0;
   // Callee receives ownership of the passed vector.
   // FIXME: Blob refs should be passed to maintain ref counts. crbug.com/351753
-  virtual void postMessage(const WebString&, WebMessagePortChannelArray) = 0;
-  virtual bool tryGetMessage(WebString*, WebMessagePortChannelArray&) = 0;
+  virtual void postMessage(const WebString&,
+                           WebMessagePortChannelArray,
+                           WebVector<mojo::ScopedHandle>) = 0;
+  virtual bool tryGetMessage(WebString*,
+                             WebMessagePortChannelArray&,
+                             WebVector<mojo::ScopedHandle>&) = 0;
 };
 
 }  // namespace blink
 
 #endif  // WebMessagePortChannel_h