Drop [LegacyInterfaceTypeChecking] for SpeechSynthesis.prototype.speak

third_party/WebKit/Source/modules/speech/SpeechSynthesis.cpp

 /*
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "modules/speech/SpeechSynthesis.h"
 
-#include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/ExecutionContext.h"
 #include "modules/speech/SpeechSynthesisEvent.h"
 #include "platform/speech/PlatformSpeechSynthesisVoice.h"
 #include "wtf/CurrentTime.h"
 
 namespace blink {
 
 SpeechSynthesis* SpeechSynthesis::create(ExecutionContext* context)
 {
     return new SpeechSynthesis(context);
@@ skipping 59 matching lines @@
 void SpeechSynthesis::startSpeakingImmediately()
 {
     SpeechSynthesisUtterance* utterance = currentSpeechUtterance();
     ASSERT(utterance);
 
     utterance->setStartTime(monotonicallyIncreasingTime());
     m_isPaused = false;
     m_platformSpeechSynthesizer->speak(utterance->platformUtterance());
 }
 
-void SpeechSynthesis::speak(SpeechSynthesisUtterance* utterance, ExceptionState& exceptionState)
+void SpeechSynthesis::speak(SpeechSynthesisUtterance* utterance)
 {
-    if (!utterance) {
-        exceptionState.throwTypeError("Invalid utterance argument");
-        return;
-    }
+    ASSERT(utterance);
 
     m_utteranceQueue.append(utterance);
 
     // If the queue was empty, speak this immediately.
     if (m_utteranceQueue.size() == 1)
         startSpeakingImmediately();
 }
 
 void SpeechSynthesis::cancel()
 {
@@ skipping 112 matching lines @@
 {
     visitor->trace(m_platformSpeechSynthesizer);
     visitor->trace(m_voiceList);
     visitor->trace(m_utteranceQueue);
     PlatformSpeechSynthesizerClient::trace(visitor);
     RefCountedGarbageCollectedEventTargetWithInlineData<SpeechSynthesis>::trace(visitor);
     ContextLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink