WebWaitableEvent: deprecate old API implementation

content/child/blink_platform_impl.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 "content/child/blink_platform_impl.h"
 
 #include <math.h>
 
 #include <vector>
 
@@ skipping 526 matching lines @@
 }
 
 blink::WebThread* BlinkPlatformImpl::currentThread() {
   return static_cast<blink::WebThread*>(current_thread_slot_.Get());
 }
 
 void BlinkPlatformImpl::yieldCurrentThread() {
   base::PlatformThread::YieldCurrentThread();
 }
 
-// TODO(toyoshim): Remove no arguments version after the transition.
-blink::WebWaitableEvent* BlinkPlatformImpl::createWaitableEvent() {
-  return new WebWaitableEventImpl(
-    blink::WebWaitableEvent::ResetPolicy::Auto,
-    blink::WebWaitableEvent::InitialState::NonSignaled);
-}
-
 blink::WebWaitableEvent* BlinkPlatformImpl::createWaitableEvent(
     blink::WebWaitableEvent::ResetPolicy policy,
     blink::WebWaitableEvent::InitialState state) {
   return new WebWaitableEventImpl(policy, state);
 }
 
 blink::WebWaitableEvent* BlinkPlatformImpl::waitMultipleEvents(
     const blink::WebVector<blink::WebWaitableEvent*>& web_events) {
   std::vector<base::WaitableEvent*> events;
   for (size_t i = 0; i < web_events.size(); ++i)
@@ skipping 823 matching lines @@
   return WebString::fromUTF8(ui::KeycodeConverter::DomCodeToCodeString(
       static_cast<ui::DomCode>(dom_code)));
 }
 
 int BlinkPlatformImpl::domEnumFromCodeString(const WebString& code) {
   return static_cast<int>(ui::KeycodeConverter::CodeStringToDomCode(
       code.utf8().data()));
 }
 
 }  // namespace content