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

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

 /*
  * Copyright (C) 2010 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 83 matching lines @@
 
 AccessibilityUIElement* AccessibilityController::findAccessibleElementByIdRecursive(const WebAccessibilityObject& obj, const WebString& id)
 {
     if (obj.isNull() || obj.isDetached())
         return 0;
 
     WebNode node = obj.node();
     if (!node.isNull() && node.isElementNode()) {
         WebElement element = node.to<WebElement>();
         element.getAttribute("id");
-        if (element.getAttribute("id") == id) 
+        if (element.getAttribute("id") == id)
             return m_elements.getOrCreate(obj);
     }
 
     unsigned childCount = obj.childCount();
     for (unsigned i = 0; i < childCount; i++) {
         if (AccessibilityUIElement* result = findAccessibleElementByIdRecursive(obj.childAt(i), id))
             return result;
     }
 
     return 0;
@@ skipping 80 matching lines @@
     result->set(*(foundElement->getAsCppVariant()));
 }
 
 void AccessibilityController::fallbackCallback(const CppArgumentList&, CppVariant* result)
 {
     m_delegate->printMessage("CONSOLE MESSAGE: JavaScript ERROR: unknown method called on AccessibilityController\n");
     result->setNull();
 }
 
 }