Add flag to force complex text for tests

third_party/WebKit/public/web/WebKit.h

 /*
  * Copyright (C) 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 60 matching lines @@
 BLINK_EXPORT void shutdownWithoutV8();
 
 // Alters the rendering of content to conform to a fixed set of rules.
 BLINK_EXPORT void setLayoutTestMode(bool);
 BLINK_EXPORT bool layoutTestMode();
 
 // Alters the rendering of fonts for layout tests.
 BLINK_EXPORT void setFontAntialiasingEnabledForTest(bool);
 BLINK_EXPORT bool fontAntialiasingEnabledForTest();
 
+// Forces the use of the complex text path for layout tests.
+BLINK_EXPORT void setAlwaysUseComplexTextForTest(bool);
+BLINK_EXPORT bool alwaysUseComplexTextForTest();
+
 // Enables the named log channel. See WebCore/platform/Logging.h for details.
 BLINK_EXPORT void enableLogChannel(const char*);
 
 // Purge the plugin list cache. If |reloadPages| is true, any pages
 // containing plugins will be reloaded after refreshing the plugin list.
 BLINK_EXPORT void resetPluginCache(bool reloadPages = false);
 
 // The embedder should call this periodically in an attempt to balance overall
 // performance and memory usage.
 BLINK_EXPORT void decommitFreeableMemory();
 
 } // namespace blink
 
 #endif