Move allow_character_break property to RenderText.

ui/views/controls/label.h

Index: ui/views/controls/label.h
diff --git a/ui/views/controls/label.h b/ui/views/controls/label.h
index 03eade981af0e8d38aeb93c7ee45c1b0ca15bb76..10aa9101d161d23e18f4510a53af6e3929152cd1 100644
--- a/ui/views/controls/label.h
+++ b/ui/views/controls/label.h
@@ -86,6 +86,7 @@ class VIEWS_EXPORT Label : public View {
   void SetObscured(bool obscured);
 
   // Sets whether multi-line text can wrap mid-word; the default is false.
+  // TODO(mukai): allow specifying WordWrapBehavior.
   void SetAllowCharacterBreak(bool allow_character_break);
 
   // Sets the eliding or fading behavior, applied as necessary. The default is
@@ -209,7 +210,6 @@ class VIEWS_EXPORT Label : public View {
   bool handles_tooltips_;
   // Whether to collapse the label when it's not visible.
   bool collapse_when_hidden_;
-  bool allow_character_break_;
   int max_width_;
 
   // TODO(vadimt): Remove is_first_paint_text_ before crbug.com/431326 is