Fix trailing whitespace in .cpp, .h, and .idl files (ex. Source/core)

Tools/DumpRenderTree/chromium/TestRunner/src/TestPlugin.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 494 matching lines @@
 
     case WebInputEvent::MouseWheel:          eventName = "MouseWheel"; break;
 
     case WebInputEvent::RawKeyDown:          eventName = "RawKeyDown"; break;
     case WebInputEvent::KeyDown:             eventName = "KeyDown"; break;
     case WebInputEvent::KeyUp:               eventName = "KeyUp"; break;
     case WebInputEvent::Char:                eventName = "Char"; break;
 
     case WebInputEvent::GestureScrollBegin:  eventName = "GestureScrollBegin"; break;
     case WebInputEvent::GestureScrollEnd:    eventName = "GestureScrollEnd"; break;
-    case WebInputEvent::GestureScrollUpdateWithoutPropagation: 
+    case WebInputEvent::GestureScrollUpdateWithoutPropagation:
     case WebInputEvent::GestureScrollUpdate: eventName = "GestureScrollUpdate"; break;
     case WebInputEvent::GestureFlingStart:   eventName = "GestureFlingStart"; break;
     case WebInputEvent::GestureFlingCancel:  eventName = "GestureFlingCancel"; break;
     case WebInputEvent::GestureTap:          eventName = "GestureTap"; break;
     case WebInputEvent::GestureTapUnconfirmed:
                                              eventName = "GestureTapUnconfirmed"; break;
     case WebInputEvent::GestureTapDown:      eventName = "GestureTapDown"; break;
     case WebInputEvent::GestureTapCancel:    eventName = "GestureTapCancel"; break;
     case WebInputEvent::GestureDoubleTap:    eventName = "GestureDoubleTap"; break;
     case WebInputEvent::GestureTwoFingerTap: eventName = "GestureTwoFingerTap"; break;
@@ skipping 45 matching lines @@
     return new TestPlugin(frame, params, delegate);
 }
 
 const WebString& TestPlugin::mimeType()
 {
     static const WebString kMimeType = WebString::fromUTF8("application/x-webkit-test-webplugin");
     return kMimeType;
 }
 
 }