[PPAPI] Fix a bunch of spelling mistakes

ppapi/api/private/ppb_network_monitor_private.idl

Index: ppapi/api/private/ppb_network_monitor_private.idl
diff --git a/ppapi/api/private/ppb_network_monitor_private.idl b/ppapi/api/private/ppb_network_monitor_private.idl
index 8144605e17bbb66c698c66291dce31140a4e7801..fe264a616bc16326f969518501f358709646b2d1 100644
--- a/ppapi/api/private/ppb_network_monitor_private.idl
+++ b/ppapi/api/private/ppb_network_monitor_private.idl
@@ -31,7 +31,7 @@ interface PPB_NetworkMonitor_Private {
    * Starts network change monitoring. The specified
    * <code>callback</code> will be called on the main thread once
    * after this method is called (to supply the initial network
-   * configuarion) and then later every time network configuration
+   * configuration) and then later every time network configuration
    * changes. Notifications are stopped when the returned resource is
    * destroyed. If the plugin doesn't have access to the network list
    * then the callback will be called once with the