Move core/editing timer to frame-specific task runners.

third_party/WebKit/Source/core/editing/SelectionEditor.cpp

 /*
  * Copyright (C) 2004, 2008, 2009, 2010 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
@@ skipping 14 matching lines @@
 
 #include "core/editing/SelectionEditor.h"
 
 #include "core/editing/EditingUtilities.h"
 #include "core/editing/Editor.h"
 #include "core/editing/SelectionAdjuster.h"
 #include "core/frame/LocalFrame.h"
 
 namespace blink {
 
-SelectionEditor::SelectionEditor(LocalFrame* frame)
+SelectionEditor::SelectionEditor(LocalFrame& frame)
     : m_frame(frame), m_observingVisibleSelection(false) {
-  DCHECK(m_frame);
   clearVisibleSelection();
 }
 
 SelectionEditor::~SelectionEditor() {}
 
 void SelectionEditor::clearVisibleSelection() {
   m_selection = VisibleSelection();
   m_selectionInFlatTree = VisibleSelectionInFlatTree();
   if (!shouldAlwaysUseDirectionalSelection())
     return;
@@ skipping 119 matching lines @@
 
 DEFINE_TRACE(SelectionEditor) {
   visitor->trace(m_document);
   visitor->trace(m_frame);
   visitor->trace(m_selection);
   visitor->trace(m_selectionInFlatTree);
   visitor->trace(m_logicalRange);
 }
 
 }  // namespace blink