Make a global enum to differentiate impl & proxy.

ppapi/shared_impl/private/ppb_font_shared.h

Index: ppapi/shared_impl/private/ppb_font_shared.h
diff --git a/ppapi/shared_impl/private/ppb_font_shared.h b/ppapi/shared_impl/private/ppb_font_shared.h
index ec34215de8a4200c21488d3365dacb92016923c4..8e5bebb4785809873bf17b6d25c7a3d9d6157b59 100644
--- a/ppapi/shared_impl/private/ppb_font_shared.h
+++ b/ppapi/shared_impl/private/ppb_font_shared.h
@@ -33,12 +33,10 @@ class PPAPI_SHARED_EXPORT PPB_Font_Shared
 
   virtual ~PPB_Font_Shared();
 
-  static PP_Resource CreateAsImpl(PP_Instance instance,
-                                  const PP_FontDescription_Dev& description,
-                                  const ::ppapi::Preferences& prefs);
-  static PP_Resource CreateAsProxy(PP_Instance instance,
-                                   const PP_FontDescription_Dev& description,
-                                   const ::ppapi::Preferences& prefs);
+  static PP_Resource Create(ResourceObjectType type,
+                            PP_Instance instance,
+                            const PP_FontDescription_Dev& description,
+                            const ::ppapi::Preferences& prefs);
 
   // Resource.
   virtual ::ppapi::thunk::PPB_Font_API* AsPPB_Font_API() OVERRIDE;
@@ -59,23 +57,11 @@ class PPAPI_SHARED_EXPORT PPB_Font_Shared
                                           uint32_t char_offset) OVERRIDE;
 
  private:
-  struct InitAsImpl {};
-  struct InitAsProxy {};
-
-  // The dummy arguments control which version of Resource's constructor is
-  // called for this base class.
-  PPB_Font_Shared(const InitAsImpl&,
-                  PP_Instance instance,
-                  const PP_FontDescription_Dev& desc,
-                  const ::ppapi::Preferences& prefs);
-  PPB_Font_Shared(const InitAsProxy&,
+  PPB_Font_Shared(ResourceObjectType type,
                   PP_Instance instance,
                   const PP_FontDescription_Dev& desc,
                   const ::ppapi::Preferences& prefs);
 
-  void Initialize(const PP_FontDescription_Dev& desc,
-                  const ::ppapi::Preferences& prefs);
-
   scoped_ptr< ::ppapi::WebKitForwarding::Font> font_impl_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Font_Shared);