Update our use of the NPAPI ClearSiteData API.

webkit/plugins/npapi/plugin_lib.h

Index: webkit/plugins/npapi/plugin_lib.h
diff --git a/webkit/plugins/npapi/plugin_lib.h b/webkit/plugins/npapi/plugin_lib.h
index 081e593a8a8502e47743c6046b748eed3d856980..e04a29c444c31cd191e1db34defec2bb7ff4f1e7 100644
--- a/webkit/plugins/npapi/plugin_lib.h
+++ b/webkit/plugins/npapi/plugin_lib.h
@@ -73,6 +73,13 @@ class PluginLib : public base::RefCounted<PluginLib> {
   // NPAPI method to shutdown a Plugin.
   void NP_Shutdown(void);
 
+  // NPAPI method to clear locally stored data (LSO's or "Flash cookies").

[jam, 2011/01/10 18:09:36]

nit: since this is an NPAPI function, probably shouldn't make the comment
specific to Flash?

[Bernhard Bauer, 2011/01/11 12:43:34]

Hence the quotation marks around it. I wanted to use the more widely known
expression, even if it's slightly incorrect.

Note that I'm committing this version without changing the comment; if you feel
strongly about it, I'll do a followup commit.

+  NPError NP_ClearSiteData(const char* site, uint64 flags, uint64 max_age);
+
+  // NPAPI method to get a NULL-terminated list of all sites under which data
+  // is stored.
+  char** NP_GetSitesWithData();
+
   int instance_count() const { return instance_count_; }
 
   // Prevents the library code from being unload when Unload() is called (since