[WIP] Mojo native bindings interface.

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

Index: third_party/WebKit/Source/core/mojo/Mojo.idl
diff --git a/third_party/WebKit/Source/core/mojo/Mojo.idl b/third_party/WebKit/Source/core/mojo/Mojo.idl
new file mode 100644
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+// Copyright 2016 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.
+
+typedef unsigned long MojoResult;
+typedef unsigned long MojoHandleSignals;
+typedef unsigned long MojoCreateMessagePipeOptionsFlags;
+typedef unsigned long MojoWriteMessageFlags;
+typedef unsigned long MojoReadMessageFlags;
+
+callback MojoWatchCallback = void (MojoResult result);
+
+interface Mojo {
+    const MojoResult RESULT_OK = 0;
+    const MojoResult RESULT_CANCELLED = 1;
+    const MojoResult RESULT_UNKNOWN = 2;
+    const MojoResult RESULT_INVALID_ARGUMENT = 3;
+    const MojoResult RESULT_DEADLINE_EXCEEDED = 4;
+    const MojoResult RESULT_NOT_FOUND = 5;
+    const MojoResult RESULT_ALREADY_EXISTS = 6;
+    const MojoResult RESULT_PERMISSION_DENIED = 7;
+    const MojoResult RESULT_RESOURCE_EXHAUSTED = 8;
+    const MojoResult RESULT_FAILED_PRECONDITION = 9;
+    const MojoResult RESULT_ABORTED = 10;
+    const MojoResult RESULT_OUT_OF_RANGE = 11;
+    const MojoResult RESULT_UNIMPLEMENTED = 12;
+    const MojoResult RESULT_INTERNAL = 13;
+    const MojoResult RESULT_UNAVAILABLE = 14;
+    const MojoResult RESULT_DATA_LOSS = 15;
+    const MojoResult RESULT_BUSY = 16;
+    const MojoResult RESULT_SHOULD_WAIT = 17;
+
+    const MojoHandleSignals HANDLE_SIGNAL_NONE = 0;
+    const MojoHandleSignals HANDLE_SIGNAL_READABLE = 1;
+    const MojoHandleSignals HANDLE_SIGNAL_WRITABLE = 2;
+    const MojoHandleSignals HANDLE_SIGNAL_PEER_CLOSED = 4;
+
+    const MojoCreateMessagePipeOptionsFlags CREATE_MESSAGE_PIPE_OPTIONS_FLAG_NONE = 0;
+    const MojoWriteMessageFlags WRITE_MESSAGE_FLAG_NONE = 0;
+    const MojoReadMessageFlags READ_MESSAGE_FLAG_NONE = 0;
+    const MojoReadMessageFlags READ_MESSAGE_FLAG_MAY_DISCARD = 1;
+
+    [CallWith=ScriptState] MojoWatcher watch(MojoHandle handle, MojoHandleSignals signals, MojoWatchCallback callback);
+
+    MojoCreateMessagePipeResult createMessagePipe(MojoCreateMessagePipeOptions options);
+    MojoResult writeMessage(MojoHandle pipe, BufferSource buffer, sequence<MojoHandle> handles, MojoWriteMessageFlags flags);
+    MojoReadMessageResult readMessage(MojoHandle pipe, MojoReadMessageFlags flags);
+};