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 75ebd800e32e7491758dea27d221b053ffc00433..7d2ddfa9f2d8fa20b37eba977cd6f4c3e76051a7 100644
--- a/Source/core/html/RangeInputType.cpp
+++ b/Source/core/html/RangeInputType.cpp
@@ -55,11 +55,9 @@
 #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
 
 namespace WebCore {
 
@@ -84,9 +82,7 @@ PassOwnPtr<InputType> RangeInputType::create(HTMLInputElement* element)
 
 RangeInputType::RangeInputType(HTMLInputElement* element)
     : InputType(element)
-#if ENABLE(DATALIST_ELEMENT)
     , m_tickMarkValuesDirty(true)
-#endif
 {
 }
 
@@ -332,7 +328,6 @@ HTMLElement* RangeInputType::sliderTrackElement() const
     return sliderTrackElementOf(element());
 }
 
-#if ENABLE(DATALIST_ELEMENT)
 void RangeInputType::listAttributeTargetChanged()
 {
     m_tickMarkValuesDirty = true;
@@ -401,6 +396,5 @@ Decimal RangeInputType::findClosestTickMarkValue(const Decimal& value)
         return closestRight;
     return closestLeft;
 }
-#endif
 
 } // namespace WebCore