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

mojo/public/cpp/bindings/pipe_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_PIPE_CONTROL_MESSAGE_HANDLER_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_PIPE_CONTROL_MESSAGE_HANDLER_H_
 
+#include "base/compiler_specific.h"
 #include "base/macros.h"
+#include "mojo/public/cpp/bindings/bindings_export.h"
 #include "mojo/public/cpp/bindings/interface_id.h"
 #include "mojo/public/cpp/bindings/lib/serialization_context.h"
 #include "mojo/public/cpp/bindings/message.h"
 
 namespace mojo {
 
 class PipeControlMessageHandlerDelegate;
 
 // Handler for messages defined in pipe_control_messages.mojom.
-class PipeControlMessageHandler : public MessageReceiver {
+class MOJO_CPP_BINDINGS_EXPORT PipeControlMessageHandler
+    : NON_EXPORTED_BASE(public MessageReceiver) {
  public:
   explicit PipeControlMessageHandler(
       PipeControlMessageHandlerDelegate* delegate);
   ~PipeControlMessageHandler() override;
 
   // Sets the description for this handler. Used only when reporting validation
   // errors.
   void SetDescription(const std::string& description);
 
   // NOTE: |message| must have passed message header validation.
@@ skipping 15 matching lines @@
   std::string description_;
   PipeControlMessageHandlerDelegate* const delegate_;
   internal::SerializationContext context_;
 
   DISALLOW_COPY_AND_ASSIGN(PipeControlMessageHandler);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_PIPE_CONTROL_MESSAGE_HANDLER_H_