Mojo: Report bindings validation errors via MojoNotifyBadMessage

ipc/mojo/ipc_message_pipe_reader.cc

 // 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.
 
 #include "ipc/mojo/ipc_message_pipe_reader.h"
 
 #include <stdint.h>
 
 #include <utility>
 
@@ skipping 15 matching lines @@
 // Used by Send() to capture a serialized Channel::Receive message.
 class MessageSerializer : public mojo::MessageReceiverWithResponder {
  public:
   MessageSerializer() {}
   ~MessageSerializer() override {}
 
   mojo::Message* message() { return &message_; }
 
  private:
   // mojo::MessageReceiverWithResponder
-  bool Accept(mojo::Message* message) override {
+  Result Accept(mojo::Message* message) override {
     message->MoveTo(&message_);
-    return true;
+    return Result::ForSuccess();
   }
 
-  bool AcceptWithResponder(mojo::Message* message,
-                           mojo::MessageReceiver* responder) override {
+  Result AcceptWithResponder(mojo::Message* message,
+                             mojo::MessageReceiver* responder) override {
     NOTREACHED();
-    return false;
+    return Result::ForUnknownError();
   }
 
   mojo::Message message_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageSerializer);
 };
 
 }  // namespace
 
 MessagePipeReader::MessagePipeReader(
@@ skipping 92 matching lines @@
 
 void MessagePipeReader::DelayedDeleter::operator()(
     MessagePipeReader* ptr) const {
   ptr->Close();
   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
                                                 base::Bind(&DeleteNow, ptr));
 }
 
 }  // namespace internal
 }  // namespace IPC