Implement hyphenation for DumpRenderTree.

webkit/support/test_webkit_platform_support.h

Index: webkit/support/test_webkit_platform_support.h
===================================================================
--- webkit/support/test_webkit_platform_support.h	(revision 160091)
+++ webkit/support/test_webkit_platform_support.h	(working copy)
@@ -25,6 +25,8 @@
   class WebAudioDevice;
 }
 
+typedef struct _HyphenDict HyphenDict;
+
 // An implementation of WebKitPlatformSupport for tests.
 class TestWebKitPlatformSupport :
     public webkit_glue::WebKitPlatformSupportImpl {
@@ -120,6 +122,12 @@
       WebKit::WebMediaStreamCenterClient* client) OVERRIDE;
   virtual WebKit::WebRTCPeerConnectionHandler* createRTCPeerConnectionHandler(
       WebKit::WebRTCPeerConnectionHandlerClient* client) OVERRIDE;
+  virtual bool canHyphenate(const WebKit::WebString& locale) OVERRIDE;
+  virtual size_t computeLastHyphenLocation(
+      const char16* characters,
+      size_t length,
+      size_t before_index,
+      const WebKit::WebString& locale) OVERRIDE;
 
  private:
   TestShellWebMimeRegistryImpl mime_registry_;
@@ -137,6 +145,7 @@
   bool unit_test_mode_;
   WebKit::WebGamepads gamepad_data_;
   WebKit::Platform* shadow_platform_delegate_;
+  HyphenDict* hyphen_dictionary_;
 
 #if defined(OS_WIN) || defined(OS_MACOSX)
   WebKit::WebThemeEngine* active_theme_engine_;