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

Source/core/dom/TouchEvent.cpp

Index: Source/core/dom/TouchEvent.cpp
diff --git a/Source/core/dom/TouchEvent.cpp b/Source/core/dom/TouchEvent.cpp
index aec39effe1bbec39852d9a5c8e9ed8aec238d48c..019a5b5ac8f0523fd17f85532fa215ae4401b729 100644
--- a/Source/core/dom/TouchEvent.cpp
+++ b/Source/core/dom/TouchEvent.cpp
@@ -41,7 +41,7 @@ TouchEvent::TouchEvent()
 }
 
 TouchEvent::TouchEvent(TouchList* touches, TouchList* targetTouches,
-        TouchList* changedTouches, const AtomicString& type, 
+        TouchList* changedTouches, const AtomicString& type,
         PassRefPtr<AbstractView> view, int screenX, int screenY, int pageX, int pageY,
         bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
     : MouseRelatedEvent(type, true, true, view, 0, IntPoint(screenX, screenY),
@@ -60,7 +60,7 @@ TouchEvent::~TouchEvent()
 }
 
 void TouchEvent::initTouchEvent(TouchList* touches, TouchList* targetTouches,
-        TouchList* changedTouches, const AtomicString& type, 
+        TouchList* changedTouches, const AtomicString& type,
         PassRefPtr<AbstractView> view, int screenX, int screenY, int clientX, int clientY,
         bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
 {