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

Source/bindings/v8/V8Binding.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 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 355 matching lines @@
     unsigned long long integer;
     doubleToInteger(x, integer);
     return integer;
 }
 
 v8::Handle<v8::FunctionTemplate> createRawTemplate(v8::Isolate* isolate)
 {
     v8::HandleScope scope(isolate);
     v8::Local<v8::FunctionTemplate> result = v8::FunctionTemplate::New(V8ObjectConstructor::isValidConstructorMode);
     return scope.Close(result);
-}        
+}
 
 PassRefPtr<DOMStringList> toDOMStringList(v8::Handle<v8::Value> value, v8::Isolate* isolate)
 {
     v8::Local<v8::Value> v8Value(v8::Local<v8::Value>::New(value));
 
     if (V8DOMStringList::HasInstance(v8Value, isolate, worldType(isolate))) {
         RefPtr<DOMStringList> ret = V8DOMStringList::toNative(v8::Handle<v8::Object>::Cast(v8Value));
         return ret.release();
     }
 
@@ skipping 165 matching lines @@
     return DOMWrapperWorld::isolatedWorld(v8::Context::GetCurrent());
 }
 
 v8::Local<v8::Value> getHiddenValueFromMainWorldWrapper(v8::Isolate* isolate, ScriptWrappable* wrappable, v8::Handle<v8::String> key)
 {
     v8::Local<v8::Object> wrapper = wrappable->newLocalWrapper(isolate);
     return wrapper.IsEmpty() ? v8::Local<v8::Value>() : wrapper->GetHiddenValue(key);
 }
 
 } // namespace WebCore