Implements JS bindings for mojo shared buffer.

third_party/WebKit/Source/core/mojo/Mojo.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef Mojo_h
 #define Mojo_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "mojo/public/cpp/system/core.h"
 
 namespace blink {
 
 class MojoCreateMessagePipeResult;
+class MojoCreateSharedBufferResult;
 
 class Mojo final : public GarbageCollected<Mojo>, public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   // MojoResult
   static const MojoResult kResultOk = MOJO_RESULT_OK;
   static const MojoResult kResultCancelled = MOJO_RESULT_CANCELLED;
   static const MojoResult kResultUnknown = MOJO_RESULT_UNKNOWN;
   static const MojoResult kResultInvalidArgument = MOJO_RESULT_INVALID_ARGUMENT;
@@ skipping 10 matching lines @@
   static const MojoResult kResultAborted = MOJO_RESULT_ABORTED;
   static const MojoResult kResultOutOfRange = MOJO_RESULT_OUT_OF_RANGE;
   static const MojoResult kResultUnimplemented = MOJO_RESULT_UNIMPLEMENTED;
   static const MojoResult kResultInternal = MOJO_RESULT_INTERNAL;
   static const MojoResult kResultUnavailable = MOJO_RESULT_UNAVAILABLE;
   static const MojoResult kResultDataLoss = MOJO_RESULT_DATA_LOSS;
   static const MojoResult kResultBusy = MOJO_RESULT_BUSY;
   static const MojoResult kResultShouldWait = MOJO_RESULT_SHOULD_WAIT;
 
   static void createMessagePipe(MojoCreateMessagePipeResult&);
+  static void createSharedBuffer(unsigned numBytes,
+                                 MojoCreateSharedBufferResult&);
 
   DEFINE_INLINE_TRACE() {}
 };
 
 }  // namespace blink
 
 #endif  // Mojo_h