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

Source/web/tests/IDBBindingUtilitiesTest.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 32 matching lines @@
 
 using namespace WebCore;
 using namespace WebKit;
 
 namespace {
 
 PassRefPtr<IDBKey> checkKeyFromValueAndKeyPathInternal(const ScriptValue& value, const String& keyPath)
 {
     IDBKeyPath idbKeyPath(keyPath);
     EXPECT_TRUE(idbKeyPath.isValid());
-    
+
     return createIDBKeyFromScriptValueAndKeyPath(0, value, idbKeyPath);
 }
 
 void checkKeyPathNullValue(const ScriptValue& value, const String& keyPath)
 {
     RefPtr<IDBKey> idbKey = checkKeyFromValueAndKeyPathInternal(value, keyPath);
     ASSERT_FALSE(idbKey.get());
 }
 
 bool injectKey(PassRefPtr<IDBKey> key, ScriptValue& value, const String& keyPath)
@@ skipping 138 matching lines @@
     checkInjection(IDBKey::createDate(4567), scriptObject, "foo.baz");
     checkInjection(IDBKey::createDate(4567), scriptObject, "bar");
     checkInjection(IDBKey::createArray(IDBKey::KeyArray()), scriptObject, "foo.baz");
     checkInjection(IDBKey::createArray(IDBKey::KeyArray()), scriptObject, "bar");
 
     checkInjectionFails(IDBKey::createString("zoo"), scriptObject, "foo.bar.baz");
     checkInjection(IDBKey::createString("zoo"), scriptObject, "foo.xyz.foo");
 }
 
 } // namespace