Remove layout updates from Editor::{applied,unapplied,reapplied}Editing

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

Index: third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.cpp
diff --git a/third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.cpp b/third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.cpp
index 6c24e0529cf044c0eb27bf909f68d4b02c6ce4ac..1b8f6d9ada47c88d0f42ab190f372e416bda5858 100644
--- a/third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.cpp
+++ b/third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.cpp
@@ -392,6 +392,12 @@ void SpellChecker::markMisspellingsAfterApplyingCommand(
   if (!isSpellCheckingEnabledFor(cmd.endingSelection()))
     return;
 
+  // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
+  // needs to be audited.  See http://crbug.com/590369 for more details.
+  // In the long term we should use idle time spell checker to prevent
+  // synchronous layout caused by spell checking (see crbug.com/517298).
+  frame().document()->updateStyleAndLayoutIgnorePendingStylesheets();
+
   // Use type-based conditioning instead of polymorphism so that all spell
   // checking code can be encapsulated in SpellChecker.