Ensure clean layout before calling plainText() (flat tree version)

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  * Copyright (C) 2015 Google 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
@@ skipping 348 matching lines @@
     updateSelectionForMouseDownDispatchingSelectStart(innerNode, expandSelectionToRespectUserSelectAll(innerNode, newSelection), WordGranularity);
 }
 
 void SelectionController::selectClosestWordFromMouseEvent(const MouseEventWithHitTestResults& result)
 {
     if (!m_mouseDownMayStartSelect)
         return;
 
     AppendTrailingWhitespace appendTrailingWhitespace = (result.event().clickCount() == 2 && m_frame->editor().isSelectTrailingWhitespaceEnabled()) ? AppendTrailingWhitespace::ShouldAppend : AppendTrailingWhitespace::DontAppend;
 
+    // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
+    // needs to be audited.  See http://crbug.com/590369 for more details.
+    m_frame->document()->updateStyleAndLayoutIgnorePendingStylesheets();
+
     return selectClosestWordFromHitTestResult(result.hitTestResult(), appendTrailingWhitespace, result.event().fromTouch() ? SelectInputEventType::Touch : SelectInputEventType::Mouse);
 }
 
 void SelectionController::selectClosestMisspellingFromMouseEvent(const MouseEventWithHitTestResults& result)
 {
     if (!m_mouseDownMayStartSelect)
         return;
 
     selectClosestMisspellingFromHitTestResult(result.hitTestResult(),
         (result.event().clickCount() == 2 && m_frame->editor().isSelectTrailingWhitespaceEnabled()) ? AppendTrailingWhitespace::ShouldAppend : AppendTrailingWhitespace::DontAppend);
@@ skipping 293 matching lines @@
     return event.event().altKey() && event.isOverLink();
 }
 
 bool isExtendingSelection(const MouseEventWithHitTestResults& event)
 {
     bool isMouseDownOnLinkOrImage = event.isOverLink() || event.hitTestResult().image();
     return event.event().shiftKey() && !isMouseDownOnLinkOrImage;
 }
 
 } // namespace blink