Remove string representation values from DateTimeChooser interfaces.

third_party/WebKit/public/web/WebDateTimeChooserCompletion.h

Index: third_party/WebKit/public/web/WebDateTimeChooserCompletion.h
diff --git a/third_party/WebKit/public/web/WebDateTimeChooserCompletion.h b/third_party/WebKit/public/web/WebDateTimeChooserCompletion.h
index 17329e4f366e5eacb07837c7f605cd7a449cebf5..51f6e99387c97cb20220fdb11f2eb4127e958751 100644
--- a/third_party/WebKit/public/web/WebDateTimeChooserCompletion.h
+++ b/third_party/WebKit/public/web/WebDateTimeChooserCompletion.h
@@ -34,11 +34,6 @@ namespace blink {
 class WebDateTimeChooserCompletion {
  public:
   // Called with a date/time value in the HTML format. The callback instance
-  // is destroyed when this method is called.
-  // FIXME: Remove. Deprecated in favor of double version.
-  virtual void didChooseValue(const WebString&) = 0;
-
-  // Called with a date/time value in the HTML format. The callback instance
   // is destroyed when this method is called. If the value is NaN it means an
   // empty value. Value should not be infinity.
   virtual void didChooseValue(double) = 0;