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

Tools/DumpRenderTree/TestNetscapePlugIn/Tests/NPRuntimeObjectFromDestroyedPlugin.cpp

Index: Tools/DumpRenderTree/TestNetscapePlugIn/Tests/NPRuntimeObjectFromDestroyedPlugin.cpp
diff --git a/Tools/DumpRenderTree/TestNetscapePlugIn/Tests/NPRuntimeObjectFromDestroyedPlugin.cpp b/Tools/DumpRenderTree/TestNetscapePlugIn/Tests/NPRuntimeObjectFromDestroyedPlugin.cpp
index 0e238e60771d535117688d0bc46c5bb137d5af85..96e9d833769ae74353d91a483b904264614b5c53 100644
--- a/Tools/DumpRenderTree/TestNetscapePlugIn/Tests/NPRuntimeObjectFromDestroyedPlugin.cpp
+++ b/Tools/DumpRenderTree/TestNetscapePlugIn/Tests/NPRuntimeObjectFromDestroyedPlugin.cpp
@@ -39,7 +39,7 @@ private:
     class TestObject : public Object<TestObject> { };
 
     // This is the scriptable object. It has a single "testObject" property and an "evaluate" function.
-    class ScriptableObject : public Object<ScriptableObject> { 
+    class ScriptableObject : public Object<ScriptableObject> {
     public:
         bool hasMethod(NPIdentifier methodName)
         {
@@ -77,9 +77,9 @@ private:
     {
         if (variable != NPPVpluginScriptableNPObject)
             return NPERR_GENERIC_ERROR;
-        
+
         *(NPObject**)value = ScriptableObject::create(this);
-        
+
         return NPERR_NO_ERROR;
     }
 };