Fix caret paint invalidation issue on partial lifecycle updates

third_party/WebKit/Source/core/editing/FrameCaret.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 115 matching lines @@
 }
 
 void FrameCaret::clearPreviousVisualRect(const LayoutBlock& block) {
   m_displayItemClient->clearPreviousVisualRect(block);
 }
 
 void FrameCaret::layoutBlockWillBeDestroyed(const LayoutBlock& block) {
   m_displayItemClient->layoutBlockWillBeDestroyed(block);
 }
 
-void FrameCaret::updateStyleAndLayoutIfNeeded() {
+void FrameCaret::updateForPaintInvalidation() {
   DCHECK_GE(m_frame->document()->lifecycle().state(),
             DocumentLifecycle::LayoutClean);
   updateAppearance();
   bool shouldPaintCaret =
       m_shouldPaintCaret && isActive() &&
       m_caretVisibility == CaretVisibility::Visible &&
       m_selectionEditor->computeVisibleSelectionInDOMTree().hasEditableStyle();
 
-  m_displayItemClient->updateStyleAndLayoutIfNeeded(
+  m_displayItemClient->updateForPaintInvalidation(
       shouldPaintCaret ? caretPosition() : PositionWithAffinity());
 }
 
 void FrameCaret::invalidatePaintIfNeeded(const LayoutBlock& block,
                                          const PaintInvalidatorContext& context,
                                          PaintInvalidationReason reason) {
   m_displayItemClient->invalidatePaintIfNeeded(block, context, reason);
 }
 
 bool FrameCaret::caretPositionIsValidForDocument(
@@ skipping 73 matching lines @@
     frameView->scheduleVisualUpdateForPaintInvalidationIfNeeded();
 }
 
 void FrameCaret::recreateCaretBlinkTimerForTesting(
     RefPtr<WebTaskRunner> taskRunner) {
   m_caretBlinkTimer.reset(new TaskRunnerTimer<FrameCaret>(
       std::move(taskRunner), this, &FrameCaret::caretBlinkTimerFired));
 }
 
 }  // namespace blink