1 files changed, 64 insertions, 0 deletions
diff --git a/chromium/mojo/system/platform_handle_dispatcher.h b/chromium/mojo/system/platform_handle_dispatcher.h
new file mode 100644
index 00000000000..f09684efdc0
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+++ b/chromium/mojo/system/platform_handle_dispatcher.h
@@ -0,0 +1,64 @@
+// Copyright 2014 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_SYSTEM_PLATFORM_HANDLE_DISPATCHER_H_
+#define MOJO_SYSTEM_PLATFORM_HANDLE_DISPATCHER_H_
+
+#include "base/macros.h"
+#include "mojo/embedder/scoped_platform_handle.h"
+#include "mojo/system/simple_dispatcher.h"
+#include "mojo/system/system_impl_export.h"
+
+namespace mojo {
+namespace system {
+
+// A dispatcher that simply wraps/transports a |PlatformHandle| (only for use by
+// the embedder).
+class MOJO_SYSTEM_IMPL_EXPORT PlatformHandleDispatcher
+    : public SimpleDispatcher {
+ public:
+  explicit PlatformHandleDispatcher(
+      embedder::ScopedPlatformHandle platform_handle);
+
+  embedder::ScopedPlatformHandle PassPlatformHandle();
+
+  // |Dispatcher| public methods:
+  virtual Type GetType() const OVERRIDE;
+
+  // The "opposite" of |SerializeAndClose()|. (Typically this is called by
+  // |Dispatcher::Deserialize()|.)
+  static scoped_refptr<PlatformHandleDispatcher> Deserialize(
+      Channel* channel,
+      const void* source,
+      size_t size,
+      embedder::PlatformHandleVector* platform_handles);
+
+ private:
+  virtual ~PlatformHandleDispatcher();
+
+  // |Dispatcher| protected methods:
+  virtual void CloseImplNoLock() OVERRIDE;
+  virtual scoped_refptr<Dispatcher>
+      CreateEquivalentDispatcherAndCloseImplNoLock() OVERRIDE;
+  virtual void StartSerializeImplNoLock(Channel* channel,
+                                        size_t* max_size,
+                                        size_t* max_platform_handles) OVERRIDE;
+  virtual bool EndSerializeAndCloseImplNoLock(
+      Channel* channel,
+      void* destination,
+      size_t* actual_size,
+      embedder::PlatformHandleVector* platform_handles) OVERRIDE;
+
+  // |SimpleDispatcher| method:
+  virtual HandleSignalsState GetHandleSignalsStateNoLock() const OVERRIDE;
+
+  embedder::ScopedPlatformHandle platform_handle_;
+
+  DISALLOW_COPY_AND_ASSIGN(PlatformHandleDispatcher);
+};
+
+}  // namespace system
+}  // namespace mojo
+
+#endif  // MOJO_SYSTEM_PLATFORM_HANDLE_DISPATCHER_H_