Move common methods to WebFormControlElement interface

public/web/WebInputElement.h

Index: public/web/WebInputElement.h
diff --git a/public/web/WebInputElement.h b/public/web/WebInputElement.h
index 9967b16be1e60982e82a090468c50e959fba9d09..e4250930835964933ec6cbcca9a53585122f93f6 100644
--- a/public/web/WebInputElement.h
+++ b/public/web/WebInputElement.h
@@ -69,21 +69,15 @@ namespace blink {
         BLINK_EXPORT bool isImageButton() const;
         BLINK_EXPORT bool isRadioButton() const;
         BLINK_EXPORT bool isCheckbox() const;
-        BLINK_EXPORT bool autoComplete() const;
         BLINK_EXPORT int maxLength() const;
         BLINK_EXPORT bool isActivatedSubmit() const;
         BLINK_EXPORT void setActivatedSubmit(bool);
         BLINK_EXPORT int size() const;
-        BLINK_EXPORT void setValue(const WebString&, bool sendChangeEvent = false);
         BLINK_EXPORT void setChecked(bool, bool sendChangeEvent = false);
-        BLINK_EXPORT WebString value() const;
         // Sets the value inside the text field without being sanitized.
         // Can't be used if a renderer doesn't exist or on a non text field type.
         // Caret will be moved to the end.
         BLINK_EXPORT void setEditingValue(const WebString&);
-        BLINK_EXPORT void setSuggestedValue(const WebString&);
-        BLINK_EXPORT WebString suggestedValue() const;
-        BLINK_EXPORT void setSelectionRange(int, int);
         BLINK_EXPORT bool isValidValue(const WebString&) const;
         BLINK_EXPORT bool isChecked() const;
         BLINK_EXPORT bool isMultiple() const;
@@ -101,9 +95,6 @@ namespace blink {
         // Exposes the default value of the maxLength attribute.
         BLINK_EXPORT static int defaultMaxLength();
 
-        // Returns the direction of the text in this element.
-        BLINK_EXPORT WebString directionForFormData() const;
-
         BLINK_EXPORT WebElement decorationElementFor(void*);
         BLINK_EXPORT WebElement passwordGeneratorButtonElement() const;