Use early-return style in SpellChecker::spellCheckOldSelection()

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 846 matching lines @@
     VisibleSelection empty;
     spellCheckOldSelection(frame().selection().selection(), empty);
 }
 
 void SpellChecker::spellCheckOldSelection(const VisibleSelection& oldSelection, const VisibleSelection& newAdjacentWords)
 {
     TRACE_EVENT0("blink", "SpellChecker::spellCheckOldSelection");
 
     VisiblePosition oldStart(oldSelection.visibleStart());
     VisibleSelection oldAdjacentWords = VisibleSelection(startOfWord(oldStart, LeftWordIfOnBoundary), endOfWord(oldStart, RightWordIfOnBoundary));
-    if (oldAdjacentWords != newAdjacentWords) {
-        if (isContinuousSpellCheckingEnabled()) {
-            VisibleSelection selectedSentence = VisibleSelection(startOfSentence(oldStart), endOfSentence(oldStart));
-            markMisspellingsAndBadGrammar(oldAdjacentWords, true, selectedSentence);
-        } else {
-            markMisspellingsAndBadGrammar(oldAdjacentWords, false, oldAdjacentWords);
-        }
+    if (oldAdjacentWords == newAdjacentWords)
+        return;
+    if (isContinuousSpellCheckingEnabled()) {
+        VisibleSelection selectedSentence = VisibleSelection(startOfSentence(oldStart), endOfSentence(oldStart));
+        markMisspellingsAndBadGrammar(oldAdjacentWords, true, selectedSentence);
+        return;
     }
+    markMisspellingsAndBadGrammar(oldAdjacentWords, false, oldAdjacentWords);
 }
 
 static Node* findFirstMarkable(Node* node)
 {
     while (node) {
         if (!node->layoutObject())
             return 0;
         if (node->layoutObject()->isText())
             return node;
         if (node->layoutObject()->isTextControl())
@@ skipping 73 matching lines @@
     visitor->trace(m_frame);
     visitor->trace(m_spellCheckRequester);
 }
 
 void SpellChecker::prepareForLeakDetection()
 {
     m_spellCheckRequester->prepareForLeakDetection();
 }
 
 } // namespace blink