Clean up Pepper ImageData resource class.

webkit/plugins/ppapi/ppb_image_data_impl.h

Index: webkit/plugins/ppapi/ppb_image_data_impl.h
diff --git a/webkit/plugins/ppapi/ppb_image_data_impl.h b/webkit/plugins/ppapi/ppb_image_data_impl.h
index bbcf7e6cfbdb80fbd73719632a70be2df22b7f91..5bc92992c038ed66fe944753d363033d277a95ab 100644
--- a/webkit/plugins/ppapi/ppb_image_data_impl.h
+++ b/webkit/plugins/ppapi/ppb_image_data_impl.h
@@ -63,12 +63,13 @@ class WEBKIT_PLUGINS_EXPORT PPB_ImageData_Impl
                                     const PP_Size& size,
                                     PP_Bool init_to_zero);
 
-  // Use this to create an ImageData for use with NaCl. This is backed by a
-  // simple shared memory buffer.
-  static PP_Resource CreateNaCl(PP_Instance pp_instance,
-                                PP_ImageDataFormat format,
-                                const PP_Size& size,
-                                PP_Bool init_to_zero);
+  // Use this to create an ImageData when access to the platform-specific canvas
+  // isn't required. This is backed by a simple shared memory buffer. This is
+  // the only kind of ImageData that can be used by NaCl plugins.
+  static PP_Resource CreateSimple(PP_Instance pp_instance,
+                                  PP_ImageDataFormat format,
+                                  const PP_Size& size,
+                                  PP_Bool init_to_zero);
 
   int width() const { return width_; }
   int height() const { return height_; }