Add flag to force complex text for tests

third_party/WebKit/Source/platform/LayoutTestSupport.h

 /*
  * Copyright (C) 2012 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 23 matching lines @@
 #include "platform/PlatformExport.h"
 
 namespace blink {
 
 class LayoutTestSupport {
 public:
     PLATFORM_EXPORT static bool isRunningLayoutTest();
     PLATFORM_EXPORT static void setIsRunningLayoutTest(bool);
     PLATFORM_EXPORT static bool isFontAntialiasingEnabledForTest();
     PLATFORM_EXPORT static void setFontAntialiasingEnabledForTest(bool);
+    PLATFORM_EXPORT static bool alwaysUseComplexTextForTest();
+    PLATFORM_EXPORT static void setAlwaysUseComplexTextForTest(bool);
 };
 
 } // namespace blink
 
 #endif // LayoutTestSupport_h