Move ownership of IdleSpellCheckCallback from LocalFrame to SpellChecker

third_party/WebKit/Source/core/frame/LocalFrame.h

Index: third_party/WebKit/Source/core/frame/LocalFrame.h
diff --git a/third_party/WebKit/Source/core/frame/LocalFrame.h b/third_party/WebKit/Source/core/frame/LocalFrame.h
index ed6da8795400797d8cab46609bd0bba30e52a1d9..da489be69d7225e125b14e155c80f18b26159259 100644
--- a/third_party/WebKit/Source/core/frame/LocalFrame.h
+++ b/third_party/WebKit/Source/core/frame/LocalFrame.h
@@ -58,7 +58,6 @@ class FloatSize;
 class FrameConsole;
 class FrameSelection;
 class FrameView;
-class IdleSpellCheckCallback;
 class InputMethodController;
 class InstrumentingAgents;
 class InterfaceProvider;
@@ -146,7 +145,6 @@ class CORE_EXPORT LocalFrame final : public Frame,
   ScriptController& script() const;
   SpellChecker& spellChecker() const;
   FrameConsole& console() const;
-  IdleSpellCheckCallback& idleSpellCheckCallback() const;
 
   // This method is used to get the highest level LocalFrame in this
   // frame's in-process subtree.
@@ -262,7 +260,6 @@ class CORE_EXPORT LocalFrame final : public Frame,
   const Member<EventHandler> m_eventHandler;
   const Member<FrameConsole> m_console;
   const Member<InputMethodController> m_inputMethodController;
-  const Member<IdleSpellCheckCallback> m_idleSpellCheckCallback;
 
   int m_navigationDisableCount;
 
@@ -332,11 +329,6 @@ inline EventHandler& LocalFrame::eventHandler() const {
   return *m_eventHandler;
 }
 
-inline IdleSpellCheckCallback& LocalFrame::idleSpellCheckCallback() const {
-  DCHECK(m_idleSpellCheckCallback);
-  return *m_idleSpellCheckCallback;
-}
-
 DEFINE_TYPE_CASTS(LocalFrame,
                   Frame,
                   localFrame,