Rename FeatureObserver to UseCounter to make clear that all it stores are usage counts.

Source/WebCore/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 20 matching lines @@
 
 #include "AXObjectCache.h"
 #include "BeforeTextInsertedEvent.h"
 #include "CSSPropertyNames.h"
 #include "CSSValueKeywords.h"
 #include "DateTimeChooser.h"
 #include "Document.h"
 #include "ElementShadow.h"
 #include "EventNames.h"
 #include "ExceptionCode.h"
-#include "FeatureObserver.h"
+#include "UseCounter.h"
 #include "FileInputType.h"
 #include "FileList.h"
 #include "FormController.h"
 #include "Frame.h"
 #include "FrameView.h"
 #include "HTMLCollection.h"
 #include "HTMLDataListElement.h"
 #include "HTMLFormElement.h"
 #include "HTMLImageLoader.h"
 #include "HTMLNames.h"
@@ skipping 637 matching lines @@
         // Search field and slider attributes all just cause updateFromElement to be called through style recalcing.
         setAttributeEventListener(eventNames().searchEvent, createAttributeEventListener(this, name, value));
     } else if (name == resultsAttr) {
         int oldResults = m_maxResults;
         m_maxResults = !value.isNull() ? std::min(value.toInt(), maxSavedResults) : -1;
         // FIXME: Detaching just for maxResults change is not ideal.  We should figure out the right
         // time to relayout for this change.
         if (m_maxResults != oldResults && (m_maxResults <= 0 || oldResults <= 0))
             reattachIfAttached();
         setNeedsStyleRecalc();
-        FeatureObserver::observe(document(), FeatureObserver::ResultsAttribute);
+        UseCounter::observe(document(), UseCounter::ResultsAttribute);
     } else if (name == autosaveAttr) {
         setNeedsStyleRecalc();
-        FeatureObserver::observe(document(), FeatureObserver::AutoSaveAttribute);
+        UseCounter::observe(document(), UseCounter::AutoSaveAttribute);
     } else if (name == incrementalAttr) {
         setNeedsStyleRecalc();
-        FeatureObserver::observe(document(), FeatureObserver::IncrementalAttribute);
+        UseCounter::observe(document(), UseCounter::IncrementalAttribute);
     } else if (name == minAttr) {
         m_inputType->minOrMaxAttributeChanged();
         setNeedsValidityCheck();
-        FeatureObserver::observe(document(), FeatureObserver::MinAttribute);
+        UseCounter::observe(document(), UseCounter::MinAttribute);
     } else if (name == maxAttr) {
         m_inputType->minOrMaxAttributeChanged();
         setNeedsValidityCheck();
-        FeatureObserver::observe(document(), FeatureObserver::MaxAttribute);
+        UseCounter::observe(document(), UseCounter::MaxAttribute);
     } else if (name == multipleAttr) {
         m_inputType->multipleAttributeChanged();
         setNeedsValidityCheck();
     } else if (name == stepAttr) {
         m_inputType->stepAttributeChanged();
         setNeedsValidityCheck();
-        FeatureObserver::observe(document(), FeatureObserver::StepAttribute);
+        UseCounter::observe(document(), UseCounter::StepAttribute);
     } else if (name == patternAttr) {
         setNeedsValidityCheck();
-        FeatureObserver::observe(document(), FeatureObserver::PatternAttribute);
+        UseCounter::observe(document(), UseCounter::PatternAttribute);
     } else if (name == precisionAttr) {
         setNeedsValidityCheck();
-        FeatureObserver::observe(document(), FeatureObserver::PrecisionAttribute);
+        UseCounter::observe(document(), UseCounter::PrecisionAttribute);
     } else if (name == disabledAttr) {
         HTMLTextFormControlElement::parseAttribute(name, value);
         m_inputType->disabledAttributeChanged();
     } else if (name == readonlyAttr) {
         HTMLTextFormControlElement::parseAttribute(name, value);
         m_inputType->readonlyAttributeChanged();
     }
 #if ENABLE(DATALIST_ELEMENT)
     else if (name == listAttr) {
         m_hasNonEmptyList = !value.isEmpty();
         if (m_hasNonEmptyList) {
             resetListAttributeTargetObserver();
             listAttributeTargetChanged();
         }
-        FeatureObserver::observe(document(), FeatureObserver::ListAttribute);
+        UseCounter::observe(document(), UseCounter::ListAttribute);
     }
 #endif
 #if ENABLE(INPUT_SPEECH)
     else if (name == webkitspeechAttr) {
         if (renderer()) {
             // This renderer and its children have quite different layouts and styles depending on
             // whether the speech button is visible or not. So we reset the whole thing and recreate
             // to get the right styles and layout.
             detach();
             m_inputType->destroyShadowSubtree();
             m_inputType->createShadowSubtree();
             if (!attached())
                 attach();
         } else {
             m_inputType->destroyShadowSubtree();
             m_inputType->createShadowSubtree();
         }
         setFormControlValueMatchesRenderer(false);
         setNeedsStyleRecalc();
-        FeatureObserver::observe(document(), FeatureObserver::PrefixedSpeechAttribute);
+        UseCounter::observe(document(), UseCounter::PrefixedSpeechAttribute);
     } else if (name == onwebkitspeechchangeAttr)
         setAttributeEventListener(eventNames().webkitspeechchangeEvent, createAttributeEventListener(this, name, value));
 #endif
     else if (name == webkitdirectoryAttr) {
         HTMLTextFormControlElement::parseAttribute(name, value);
-        FeatureObserver::observe(document(), FeatureObserver::PrefixedDirectoryAttribute);
+        UseCounter::observe(document(), UseCounter::PrefixedDirectoryAttribute);
     }
     else
         HTMLTextFormControlElement::parseAttribute(name, value);
     m_inputType->attributeChanged();
 }
 
 void HTMLInputElement::finishParsingChildren()
 {
     m_parsingInProgress = false;
     HTMLTextFormControlElement::finishParsingChildren();
@@ skipping 1192 matching lines @@
 }
 
 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 PassRefPtr<RenderStyle> HTMLInputElement::customStyleForRenderer()
 {
     return m_inputType->customStyleForRenderer(document()->styleResolver()->styleForElement(this));
 }
 #endif
 
 } // namespace