Turn //mojo/public/cpp/bindings and //mojo/public/cpp/system into components

mojo/public/cpp/bindings/lib/control_message_handler.h

 // Copyright 2015 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_PUBLIC_CPP_BINDINGS_LIB_CONTROL_MESSAGE_HANDLER_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_CONTROL_MESSAGE_HANDLER_H_
 
 #include <stdint.h>
 
 #include <string>
 
+#include "base/compiler_specific.h"
 #include "base/macros.h"
+#include "mojo/public/cpp/bindings/bindings_export.h"
 #include "mojo/public/cpp/bindings/lib/serialization_context.h"
 #include "mojo/public/cpp/bindings/message.h"
 
 namespace mojo {
 namespace internal {
 
 // Handlers for request messages defined in interface_control_messages.mojom.
-class ControlMessageHandler : public MessageReceiverWithResponderStatus {
+class MOJO_CPP_BINDINGS_EXPORT ControlMessageHandler
+    : NON_EXPORTED_BASE(public MessageReceiverWithResponderStatus) {
  public:
   static bool IsControlMessage(const Message* message);
 
   explicit ControlMessageHandler(uint32_t interface_version);
   ~ControlMessageHandler() override;
 
   // Call the following methods only if IsControlMessage() returned true.
   bool Accept(Message* message) override;
   // Takes ownership of |responder|.
   bool AcceptWithResponder(Message* message,
@@ skipping 17 matching lines @@
   uint32_t disconnect_custom_reason_ = 0;
   std::string disconnect_description_;
 
   DISALLOW_COPY_AND_ASSIGN(ControlMessageHandler);
 };
 
 }  // namespace internal
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_CONTROL_MESSAGE_HANDLER_H_