Fix trailing whitespace in .cpp, .h, and .idl files

Source/core/dom/TouchEvent.h

Index: Source/core/dom/TouchEvent.h
diff --git a/Source/core/dom/TouchEvent.h b/Source/core/dom/TouchEvent.h
index abbd7b8bac639925ae27e43a83b65ce0db6164f7..45a38dde917f3ce92cb1c0135f947af4667d76f8 100644
--- a/Source/core/dom/TouchEvent.h
+++ b/Source/core/dom/TouchEvent.h
@@ -41,8 +41,8 @@ public:
     {
         return adoptRef(new TouchEvent);
     }
-    static PassRefPtr<TouchEvent> create(TouchList* touches, 
-            TouchList* targetTouches, TouchList* changedTouches, 
+    static PassRefPtr<TouchEvent> create(TouchList* touches,
+            TouchList* targetTouches, TouchList* changedTouches,
             const AtomicString& type, PassRefPtr<AbstractView> view,
             int screenX, int screenY, int pageX, int pageY,
             bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
@@ -53,8 +53,8 @@ public:
     }
 
     void initTouchEvent(TouchList* touches, TouchList* targetTouches,
-            TouchList* changedTouches, const AtomicString& type, 
-            PassRefPtr<AbstractView> view, int screenX, int screenY, 
+            TouchList* changedTouches, const AtomicString& type,
+            PassRefPtr<AbstractView> view, int screenX, int screenY,
             int clientX, int clientY,
             bool ctrlKey, bool altKey, bool shiftKey, bool metaKey);