Revert egov.uscis.gov site quirk.

Source/core/html/forms/TextFieldInputType.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 25 matching lines @@
 #include "bindings/v8/ExceptionStatePlaceholder.h"
 #include "core/dom/NodeRenderStyle.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/TextIterator.h"
 #include "core/events/BeforeTextInsertedEvent.h"
 #include "core/events/KeyboardEvent.h"
 #include "core/events/TextEvent.h"
 #include "core/frame/Frame.h"
 #include "core/frame/FrameHost.h"
-#include "core/frame/Settings.h"
 #include "core/html/FormDataList.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/shadow/ShadowElementNames.h"
 #include "core/html/shadow/TextControlInnerElements.h"
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
 #include "core/rendering/RenderDetailsMarker.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderTextControlSingleLine.h"
 #include "core/rendering/RenderTheme.h"
@@ skipping 71 matching lines @@
 bool TextFieldInputType::shouldShowFocusRingOnMouseFocus() const
 {
     return true;
 }
 
 bool TextFieldInputType::isTextField() const
 {
     return true;
 }
 
-static inline bool shouldIgnoreRequiredAttribute(const HTMLInputElement& input)
-{
-    if (!input.document().settings() || !input.document().settings()->needsSiteSpecificQuirks())
-        return false;
-    if (!equalIgnoringCase(input.document().url().host(), "egov.uscis.gov"))
-        return false;
-    return input.fastGetAttribute(requiredAttr) == "no";
-}
-
 bool TextFieldInputType::valueMissing(const String& value) const
 {
-    return !shouldIgnoreRequiredAttribute(element()) && element().isRequired() && value.isEmpty();
+    return element().isRequired() && value.isEmpty();
 }
 
 bool TextFieldInputType::canSetSuggestedValue()
 {
     return true;
 }
 
 void TextFieldInputType::setValue(const String& sanitizedValue, bool valueChanged, TextFieldEventBehavior eventBehavior)
 {
     // Grab this input element to keep reference even if JS event handler
@@ skipping 415 matching lines @@
 {
     return shouldSpinButtonRespondToMouseEvents() && element().focused();
 }
 
 void TextFieldInputType::spinButtonDidReleaseMouseCapture()
 {
     element().dispatchFormControlChangeEvent();
 }
 
 } // namespace WebCore