Remove a part of type checking predicates of HTMLInputElement.

Source/core/html/forms/InputType.h

Index: Source/core/html/forms/InputType.h
diff --git a/Source/core/html/forms/InputType.h b/Source/core/html/forms/InputType.h
index ad74acbc65a0c64c1a11ad43c84292676541c189..5c8c9b5b89f67c4f5631036289fa3fe770585cad 100644
--- a/Source/core/html/forms/InputType.h
+++ b/Source/core/html/forms/InputType.h
@@ -74,28 +74,10 @@ public:
     // inflexible because it's harder to add new input types if there is
     // scattered code with special cases for various types.
 
-    virtual bool isCheckbox() const;
-    virtual bool isColorControl() const;
-    virtual bool isDateField() const;
-    virtual bool isDateTimeLocalField() const;
-    virtual bool isEmailField() const;
-    virtual bool isFileUpload() const;
-    virtual bool isHiddenType() const;
-    virtual bool isImageButton() const;
     virtual bool isInteractiveContent() const;
-    virtual bool isMonthField() const;
-    virtual bool isNumberField() const;
-    virtual bool isPasswordField() const;
-    virtual bool isRadioButton() const;
-    virtual bool isRangeControl() const;
-    virtual bool isSearchField() const;
-    virtual bool isTelephoneField() const;
     virtual bool isTextButton() const;
     virtual bool isTextField() const;
     virtual bool isTextType() const;
-    virtual bool isTimeField() const;
-    virtual bool isURLField() const;
-    virtual bool isWeekField() const;
 
     // Form value functions