Revert removal of events

Source/core/platform/chromium/PopupListBox.cpp

Index: Source/core/platform/chromium/PopupListBox.cpp
diff --git a/Source/core/platform/chromium/PopupListBox.cpp b/Source/core/platform/chromium/PopupListBox.cpp
index da48a8f6c74ad99c8d3f105ef779b4d7cbfd0c6d..93b0ce18f4980dae02575a7c1e2dd8c953197635 100644
--- a/Source/core/platform/chromium/PopupListBox.cpp
+++ b/Source/core/platform/chromium/PopupListBox.cpp
@@ -41,7 +41,6 @@
 #include "PlatformKeyboardEvent.h"
 #include "PlatformMouseEvent.h"
 #include "PlatformScreen.h"
-#include "PlatformTouchEvent.h"
 #include "PlatformWheelEvent.h"
 #include "PopupContainer.h"
 #include "PopupMenuChromium.h"
@@ -55,6 +54,10 @@
 #include <limits>
 #include <wtf/CurrentTime.h>
 
+#if ENABLE(TOUCH_EVENTS)
+#include "PlatformTouchEvent.h"
+#endif
+
 namespace WebCore {
 
 using namespace std;
@@ -173,10 +176,12 @@ bool PopupListBox::isInterestedInEventForKey(int keyCode)
     }
 }
 
+#if ENABLE(TOUCH_EVENTS)
 bool PopupListBox::handleTouchEvent(const PlatformTouchEvent&)
 {
     return false;
 }
+#endif
 
 bool PopupListBox::handleGestureEvent(const PlatformGestureEvent&)
 {