Move ownership of IdleSpellCheckCallback from LocalFrame to SpellChecker

third_party/WebKit/Source/core/editing/spellcheck/IdleSpellCheckCallback.cpp

 // Copyright 2016 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 "core/editing/spellcheck/IdleSpellCheckCallback.h"
 
 #include "core/dom/IdleRequestOptions.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/editing/EditingUtilities.h"
 #include "core/editing/FrameSelection.h"
@@ skipping 35 matching lines @@
 }
 
 IdleSpellCheckCallback::IdleSpellCheckCallback(LocalFrame& frame)
     : m_state(State::kInactive),
       m_frame(frame),
       m_coldModeTimer(TaskRunnerHelper::get(TaskType::UnspecedTimer, &frame),
                       this,
                       &IdleSpellCheckCallback::coldModeTimerFired) {}
 
 SpellCheckRequester& IdleSpellCheckCallback::spellCheckRequester() const {
-  // TODO(xiaochengh): decouple with SpellChecker after SpellCheckRequester is
-  // moved to IdleSpellCheckCallback.
   return frame().spellChecker().spellCheckRequester();
 }
 
 bool IdleSpellCheckCallback::isSpellCheckingEnabled() const {
-  // TODO(xiaochengh): decouple with SpellChecker.
   return frame().spellChecker().isSpellCheckingEnabled();
 }
 
-void IdleSpellCheckCallback::prepareForLeakDetection() {
-  if (RuntimeEnabledFeatures::idleTimeSpellCheckingEnabled())
-    spellCheckRequester().prepareForLeakDetection();
-}
-
 void IdleSpellCheckCallback::requestInvocation() {
   IdleRequestOptions options;
   options.setTimeout(kRequestTimeoutMS);
   frame().document()->requestIdleCallback(this, options);
 }
 
 void IdleSpellCheckCallback::deactivate() {
   m_state = State::kInactive;
   if (m_coldModeTimer.isActive())
     m_coldModeTimer.stop();
@@ skipping 83 matching lines @@
     if (coldModeFinishesFullDocument())
       m_state = State::kInactive;
     else
       setNeedsColdModeInvocation();
   } else {
     NOTREACHED();
   }
 }
 
 }  // namespace blink