Revert of Mojo C++ bindings: make ipc/ mojom targets to use STL string/vector types

ipc/ipc_message_pipe_reader.h

 // 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 IPC_IPC_MESSAGE_PIPE_READER_H_
 #define IPC_IPC_MESSAGE_PIPE_READER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 77 matching lines @@
 
   base::ProcessId GetPeerPid() const { return peer_pid_; }
 
  protected:
   void OnPipeClosed();
   void OnPipeError(MojoResult error);
 
  private:
   // mojom::Channel:
   void SetPeerPid(int32_t peer_pid) override;
-  void Receive(
-      const std::vector<uint8_t>& data,
-      base::Optional<std::vector<mojom::SerializedHandlePtr>> handles) override;
+  void Receive(mojo::Array<uint8_t> data,
+               mojo::Array<mojom::SerializedHandlePtr> handles) override;
   void GetAssociatedInterface(
-      const std::string& name,
+      const mojo::String& name,
       mojom::GenericInterfaceAssociatedRequest request) override;
 
   // |delegate_| is null once the message pipe is closed.
   Delegate* delegate_;
   base::ProcessId peer_pid_ = base::kNullProcessId;
   mojom::ChannelAssociatedPtr sender_;
   mojo::AssociatedBinding<mojom::Channel> binding_;
 
   // Raw message pipe handle and interface ID we use to send legacy IPC messages
   // over the associated pipe.
   const uint32_t sender_interface_id_;
   const mojo::MessagePipeHandle sender_pipe_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(MessagePipeReader);
 };
 
 }  // namespace internal
 }  // namespace IPC
 
 #endif  // IPC_IPC_MESSAGE_PIPE_READER_H_