Use C++11 features in core/html

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 1086 matching lines @@
     setNeedsValidityCheck();
 
     // Clear autofill flag (and yellow background) on user edit.
     setAutofilled(false);
 }
 
 void* HTMLInputElement::preDispatchEventHandler(Event* event)
 {
     if (event->type() == EventTypeNames::textInput && m_inputTypeView->shouldSubmitImplicitly(event)) {
         event->stopPropagation();
-        return 0;
+        return nullptr;
     }
     if (event->type() != EventTypeNames::click)
-        return 0;
+        return nullptr;
     if (!event->isMouseEvent() || toMouseEvent(event)->button() != LeftButton)
-        return 0;
+        return nullptr;
 #if ENABLE(OILPAN)
     return m_inputTypeView->willDispatchClick();
 #else
     // FIXME: Check whether there are any cases where this actually ends up leaking.
     return m_inputTypeView->willDispatchClick().leakPtr();
 #endif
 }
 
 void HTMLInputElement::postDispatchEventHandler(Event* event, void* dataFromPreDispatch)
 {
@@ skipping 143 matching lines @@
 }
 
 static Vector<String> parseAcceptAttribute(const String& acceptString, bool (*predicate)(const String&))
 {
     Vector<String> types;
     if (acceptString.isEmpty())
         return types;
 
     Vector<String> splitTypes;
     acceptString.split(',', false, splitTypes);
-    for (size_t i = 0; i < splitTypes.size(); ++i) {
-        String trimmedType = stripLeadingAndTrailingHTMLSpaces(splitTypes[i]);
+    for (const String& splitType : splitTypes) {
+        String trimmedType = stripLeadingAndTrailingHTMLSpaces(splitType);
         if (trimmedType.isEmpty())
             continue;
         if (!predicate(trimmedType))
             continue;
         types.append(trimmedType.lower());
     }
 
     return types;
 }
 
@@ skipping 236 matching lines @@
 }
 
 HTMLElement* HTMLInputElement::list() const
 {
     return dataList();
 }
 
 HTMLDataListElement* HTMLInputElement::dataList() const
 {
     if (!m_hasNonEmptyList)
-        return 0;
+        return nullptr;
 
     if (!m_inputType->shouldRespectListAttribute())
-        return 0;
+        return nullptr;
 
     Element* element = treeScope().getElementById(fastGetAttribute(listAttr));
     if (!element)
-        return 0;
+        return nullptr;
     if (!isHTMLDataListElement(*element))
-        return 0;
+        return nullptr;
 
     return toHTMLDataListElement(element);
 }
 
 bool HTMLInputElement::hasValidDataListOptions() const
 {
     HTMLDataListElement* dataList = this->dataList();
     if (!dataList)
         return false;
     RefPtrWillBeRawPtr<HTMLDataListOptionsCollection> options = dataList->options();
@@ skipping 112 matching lines @@
         return scope->isInRequiredGroup(this);
     return false;
 }
 
 HTMLInputElement* HTMLInputElement::checkedRadioButtonForGroup()
 {
     if (checked())
         return this;
     if (RadioButtonGroupScope* scope = radioButtonGroupScope())
         return scope->checkedButtonForGroup(name());
-    return 0;
+    return nullptr;
 }
 
 RadioButtonGroupScope* HTMLInputElement::radioButtonGroupScope() const
 {
     // FIXME: Remove type check.
     if (type() != InputTypeNames::radio)
-        return 0;
+        return nullptr;
     if (HTMLFormElement* formElement = form())
         return &formElement->radioButtonGroupScope();
     if (inDocument())
         return &document().formController().radioButtonGroupScope();
-    return 0;
+    return nullptr;
 }
 
 inline void HTMLInputElement::addToRadioButtonGroup()
 {
     if (RadioButtonGroupScope* scope = radioButtonGroupScope())
         scope->addButton(this);
 }
 
 inline void HTMLInputElement::removeFromRadioButtonGroup()
 {
@@ skipping 148 matching lines @@
 {
     listAttributeTargetChanged();
 }
 
 AXObject* HTMLInputElement::popupRootAXObject()
 {
     return m_inputTypeView->popupRootAXObject();
 }
 
 } // namespace