Implementation of URLLoader using PluginResource/ResourceHost.

ppapi/api/ppp_instance.idl

Index: ppapi/api/ppp_instance.idl
diff --git a/ppapi/api/ppp_instance.idl b/ppapi/api/ppp_instance.idl
index a5026ae23a762cacf0e3b0630a61eb169510ed61..f178b7a42e4f7a22f4d301fb0645d5cfaf367be2 100644
--- a/ppapi/api/ppp_instance.idl
+++ b/ppapi/api/ppp_instance.idl
@@ -207,7 +207,7 @@ interface PPP_Instance {
 
   /**
    * HandleDocumentLoad() is called after initialize for a full-frame
-   * module that was instantiated based on the MIME type of a DOMWindow
+   * instance that was instantiated based on the MIME type of a DOMWindow
    * navigation. This situation only applies to modules that are pre-registered
    * to handle certain MIME types. If you haven't specifically registered to
    * handle a MIME type or aren't positive this applies to you, your
@@ -230,7 +230,8 @@ interface PPP_Instance {
    * @param[in] url_loader An open <code>PPB_URLLoader</code> instance.
    *
    * @return <code>PP_TRUE</code> if the data was handled,
-   * <code>PP_FALSE</code> otherwise.
+   * <code>PP_FALSE</code> otherwise.  If you return false, the load will be
+   * canceled for you.
    */
   PP_Bool HandleDocumentLoad(
       /* A PP_Instance identifying one instance of a module. */