Move ownership of IdleSpellCheckCallback from LocalFrame to SpellChecker

third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.h

Index: third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.h
diff --git a/third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.h b/third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.h
index 1df14edf871f1d1aa1e79c4e7f10d32f060eaa89..2fd2cf82de925f69668a81dc1abf7e75cdd9d59d 100644
--- a/third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.h
+++ b/third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.h
@@ -36,6 +36,7 @@
 namespace blink {
 
 class CompositeEditCommand;
+class IdleSpellCheckCallback;
 class LocalFrame;
 class ReplaceSelectionCommand;
 class SpellCheckerClient;
@@ -128,9 +129,8 @@ class CORE_EXPORT SpellChecker final : public GarbageCollected<SpellChecker> {
 
   Member<LocalFrame> m_frame;
 
-  // TODO(xiaochengh): Move it to IdleSpellCheckCallback after idle time spell
-  // checking reaches status=stable.
   const Member<SpellCheckRequester> m_spellCheckRequester;
+  const Member<IdleSpellCheckCallback> m_idleSpellCheckCallback;
 };
 
 }  // namespace blink