Remove the compile time flag for DATALIST Element.

Source/core/html/RangeInputType.cpp

Index: Source/core/html/RangeInputType.cpp
diff --git a/Source/core/html/RangeInputType.cpp b/Source/core/html/RangeInputType.cpp
index 14032a914795cd1b4a28159f2a4f40440235c4d1..dd700da3bd9d92f8d2e64a9ac3f26aa884d6c534 100644
--- a/Source/core/html/RangeInputType.cpp
+++ b/Source/core/html/RangeInputType.cpp
@@ -44,22 +44,19 @@
 #include "core/dom/TouchList.h"
 #include "core/dom/shadow/ElementShadow.h"
 #include "core/dom/shadow/ShadowRoot.h"
+#include "core/html/HTMLDataListElement.h"
 #include "core/html/HTMLDivElement.h"
 #include "core/html/HTMLInputElement.h"
+#include "core/html/HTMLOptionElement.h"
 #include "core/html/InputTypeNames.h"
 #include "core/html/StepRange.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/html/shadow/SliderThumbElement.h"
 #include "core/platform/PlatformMouseEvent.h"
 #include "core/rendering/RenderSlider.h"
-#include <wtf/MathExtras.h>
-#include <wtf/PassOwnPtr.h>
-
-#if ENABLE(DATALIST_ELEMENT)
-#include "core/html/HTMLDataListElement.h"
-#include "core/html/HTMLOptionElement.h"
-#include <wtf/NonCopyingSort.h>
-#endif
+#include "wtf/MathExtras.h"
+#include "wtf/NonCopyingSort.h"
+#include "wtf/PassOwnPtr.h"
 
 namespace WebCore {
 
@@ -84,9 +81,7 @@ PassOwnPtr<InputType> RangeInputType::create(HTMLInputElement* element)
 
 RangeInputType::RangeInputType(HTMLInputElement* element)
     : InputType(element)
-#if ENABLE(DATALIST_ELEMENT)
     , m_tickMarkValuesDirty(true)
-#endif
 {
 }
 
@@ -332,7 +327,6 @@ HTMLElement* RangeInputType::sliderTrackElement() const
     return sliderTrackElementOf(element());
 }
 
-#if ENABLE(DATALIST_ELEMENT)
 void RangeInputType::listAttributeTargetChanged()
 {
     m_tickMarkValuesDirty = true;
@@ -401,6 +395,5 @@ Decimal RangeInputType::findClosestTickMarkValue(const Decimal& value)
         return closestRight;
     return closestLeft;
 }
-#endif
 
 } // namespace WebCore