MediaRecoder: only throw exception from requestData() if state is inactive

third_party/WebKit/Source/modules/mediarecorder/MediaRecorder.cpp

 // 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.
 
 #include "modules/mediarecorder/MediaRecorder.h"
 
 #include "bindings/core/v8/Dictionary.h"
 #include "core/events/Event.h"
 #include "core/fileapi/Blob.h"
 #include "core/inspector/ConsoleMessage.h"
@@ skipping 256 matching lines @@
   if (m_state == State::Recording)
     return;
 
   m_state = State::Recording;
 
   m_recorderHandler->resume();
   scheduleDispatchEvent(Event::create(EventTypeNames::resume));
 }
 
 void MediaRecorder::requestData(ExceptionState& exceptionState) {
-  if (m_state != State::Recording) {
+  if (m_state == State::Inactive) {
     exceptionState.throwDOMException(
         InvalidStateError,
         "The MediaRecorder's state is '" + stateToString(m_state) + "'.");
     return;
   }
   writeData(nullptr /* data */, 0 /* length */, true /* lastInSlice */);
 }
 
 bool MediaRecorder::isTypeSupported(const String& type) {
   WebMediaRecorderHandler* handler =
@@ skipping 105 matching lines @@
 
 DEFINE_TRACE(MediaRecorder) {
   visitor->trace(m_stream);
   visitor->trace(m_dispatchScheduledEventRunner);
   visitor->trace(m_scheduledEvents);
   EventTargetWithInlineData::trace(visitor);
   SuspendableObject::trace(visitor);
 }
 
 }  // namespace blink