Convert Block code to layoutObject.

Source/core/layout/line/WordMeasurement.h

Index: Source/core/layout/line/WordMeasurement.h
diff --git a/Source/core/layout/line/WordMeasurement.h b/Source/core/layout/line/WordMeasurement.h
index ae1ec4b69a63013c6ad7b05f0bc7e38e2868a672..7b900a42ea084b2a5f566034105091e76a5decba 100644
--- a/Source/core/layout/line/WordMeasurement.h
+++ b/Source/core/layout/line/WordMeasurement.h
@@ -34,14 +34,14 @@ class LayoutText;
 class WordMeasurement {
 public:
     WordMeasurement()
-        : renderer(0)
+        : layoutText(0)
         , width(0)
         , startOffset(0)
         , endOffset(0)
     {
     }
 
-    LayoutText* renderer;
+    LayoutText* layoutText;
     float width;
     int startOffset;
     int endOffset;