Introduce bad_message.h for chrome and NaCl.

content/browser/media/midi_host.cc

 // Copyright (c) 2013 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 "content/browser/media/midi_host.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/process/process.h"
 #include "base/trace_event/trace_event.h"
+#include "content/browser/bad_message.h"
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/media/media_internals.h"
 #include "content/common/media/midi_messages.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/media_observer.h"
 #include "content/public/browser/user_metrics.h"
 #include "media/midi/midi_manager.h"
 #include "media/midi/midi_message_queue.h"
 #include "media/midi/midi_message_util.h"
@@ skipping 64 matching lines @@
   is_session_requested_ = true;
   midi_manager_->StartSession(this);
 }
 
 void MidiHost::OnSendData(uint32 port,
                           const std::vector<uint8>& data,
                           double timestamp) {
   {
     base::AutoLock auto_lock(output_port_count_lock_);
     if (output_port_count_ <= port) {
-      RecordAction(base::UserMetricsAction("BadMessageTerminate_MIDIPort"));
-      BadMessageReceived();
+      bad_message::ReceivedBadMessage(this, bad_message::MH_INVALID_MIDI_PORT);
       return;
     }
   }
 
   if (data.empty())
     return;
 
   // Blink running in a renderer checks permission to raise a SecurityError
   // in JavaScript. The actual permission check for security purposes
   // happens here in the browser process.
   if (!has_sys_ex_permission_ &&
       std::find(data.begin(), data.end(), kSysExByte) != data.end()) {
-    RecordAction(base::UserMetricsAction("BadMessageTerminate_MIDI"));
-    BadMessageReceived();
+    bad_message::ReceivedBadMessage(this, bad_message::MH_SYS_EX_PERMISSION);
     return;
   }
 
   if (!IsValidWebMIDIData(data))
     return;
 
   {
     base::AutoLock auto_lock(in_flight_lock_);
     // Sanity check that we won't send too much data.
     // TODO(yukawa): Consider to send an error event back to the renderer
@@ skipping 123 matching lines @@
     }
     waiting_data_length = media::midi::GetMidiMessageLength(current);
     if (waiting_data_length == 0)
       return false;  // Error: |current| should have been a valid status byte.
     --waiting_data_length;  // Found status byte
   }
   return waiting_data_length == 0 && !in_sysex;
 }
 
 }  // namespace content