Refactoring: Introduce nextSiblingIsTextNode and shouldEmitNBSPbeforeEnd variables

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

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 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 954 matching lines @@
 
     bool previousCharacterWasSpace = false;
     for (size_t i = 0; i < length; i++) {
         UChar c = string[i];
         if (!isWhitespace(c)) {
             rebalancedString.append(c);
             previousCharacterWasSpace = false;
             continue;
         }
 
-        // We need to ensure there is no next sibling text node. See http://crbug.com/310149
         if (previousCharacterWasSpace || (!i && startIsStartOfParagraph) || (i + 1 == length && shouldEmitNBSPbeforeEnd)) {
             rebalancedString.append(noBreakSpaceCharacter);
             previousCharacterWasSpace = false;
         } else {
             rebalancedString.append(' ');
             previousCharacterWasSpace = true;
         }
     }
 
     DCHECK_EQ(rebalancedString.length(), length);
@@ skipping 957 matching lines @@
             return InputType::DeleteWordBackward;
         if (granularity == LineBoundary)
             return InputType::DeleteLineBackward;
         return InputType::DeleteContentBackward;
     default:
         return InputType::None;
     }
 }
 
 } // namespace blink