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

Source/bindings/tests/idls/TestObject.idl

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary formstrArg, 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.
@@ skipping 90 matching lines @@
     [GetterRaisesException] attribute long attrWithGetterException;
     [SetterRaisesException] attribute long attrWithSetterException;
     [GetterRaisesException] attribute DOMString stringAttrWithGetterException;
     [SetterRaisesException] attribute DOMString stringAttrWithSetterException;
 
     // 'Custom' extended attribute
     [Custom] attribute long            customAttr;
     [Custom, MeasureAs=CustomTestFeature] void customMethod();
     [Custom] void customMethodWithArgs(long longArg, DOMString strArg, TestObject objArg);
 
-    void addEventListener(DOMString type, 
-                          EventListener listener, 
+    void addEventListener(DOMString type,
+                          EventListener listener,
                           optional boolean useCapture);
-    void removeEventListener(DOMString type, 
-                             EventListener listener, 
+    void removeEventListener(DOMString type,
+                             EventListener listener,
                              optional boolean useCapture);
 
     // 'CallWith' extended attribute
     [CallWith=ScriptState] void withScriptStateVoid();
     [CallWith=ScriptState] TestObject withScriptStateObj();
     [CallWith=ScriptState, RaisesException] void withScriptStateVoidException();
     [CallWith=ScriptState, RaisesException] TestObject withScriptStateObjException();
     [CallWith=ScriptExecutionContext] void withScriptExecutionContext();
     [CallWith=ScriptExecutionContext&ScriptState] void withScriptExecutionContextAndScriptState();
     [CallWith=ScriptExecutionContext&ScriptState, RaisesException] TestObject withScriptExecutionContextAndScriptStateObjException();
@@ skipping 51 matching lines @@
     [Conditional=Condition1|Condition2] void conditionalMethod3();
 
     [Conditional=Condition1] attribute TestObjectectAConstructor conditionalAttr4;
     [Conditional=Condition1&Condition2] attribute TestObjectectBConstructor conditionalAttr5;
     [Conditional=Condition1|Condition2] attribute TestObjectectCConstructor conditionalAttr6;
 
     [Conditional=Condition1] const unsigned short CONDITIONAL_CONST = 0;
 
     readonly attribute any cachedAttribute1;
     readonly attribute any cachedAttribute2;
-    
+
     attribute any anyAttribute;
 
     attribute TestCallbackFunction callbackFunctionAttribute;
     TestCallbackFunction callbackFunctionReturnValue();
     void callbackFunctionArgument(TestCallbackFunction function);
 
     // Overloads
     void    overloadedMethod(TestObject? objArg, [StrictTypeChecking] DOMString strArg);
     void    overloadedMethod(TestObject? objArg, optional long longArg);
     void    overloadedMethod([StrictTypeChecking] DOMString strArg);
@@ skipping 119 matching lines @@
 
     [DeprecateAs=Method] void deprecatedMethod();
     [DeprecateAs=StaticMethod] static void deprecatedStaticMethod();
 
     [DeprecateAs=Constant] const unsigned short DEPRECATED_CONSTANT = 1;
 };
 
 // The following comment should not generate any code
 // TestObject implements TestImplements;