Add UseCounter to count InvalidStateError by input.selectionStart, selectionEnd, and selectionDirec…

third_party/WebKit/Source/core/html/HTMLInputElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
@@ skipping 509 matching lines @@
 bool HTMLInputElement::canStartSelection() const
 {
     if (!isTextField())
         return false;
     return HTMLTextFormControlElement::canStartSelection();
 }
 
 int HTMLInputElement::selectionStartForBinding(ExceptionState& exceptionState) const
 {
     if (!m_inputType->supportsSelectionAPI()) {
+        UseCounter::count(document(), UseCounter::InputSelectionGettersThrow);
         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
         return 0;
     }
     return HTMLTextFormControlElement::selectionStart();
 }
 
 int HTMLInputElement::selectionEndForBinding(ExceptionState& exceptionState) const
 {
     if (!m_inputType->supportsSelectionAPI()) {
+        UseCounter::count(document(), UseCounter::InputSelectionGettersThrow);
         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
         return 0;
     }
     return HTMLTextFormControlElement::selectionEnd();
 }
 
 String HTMLInputElement::selectionDirectionForBinding(ExceptionState& exceptionState) const
 {
     if (!m_inputType->supportsSelectionAPI()) {
+        UseCounter::count(document(), UseCounter::InputSelectionGettersThrow);
         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
         return String();
     }
     return HTMLTextFormControlElement::selectionDirection();
 }
 
 void HTMLInputElement::setSelectionStartForBinding(int start, ExceptionState& exceptionState)
 {
     if (!m_inputType->supportsSelectionAPI()) {
         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
@@ skipping 1351 matching lines @@
 {
     return m_inputTypeView->hasFallbackContent();
 }
 
 void HTMLInputElement::setFilesFromPaths(const Vector<String>& paths)
 {
     return m_inputType->setFilesFromPaths(paths);
 }
 
 } // namespace blink