Make kClearSiteDataOnExit work correctly for Flash in multi-profile.

content/browser/renderer_host/render_message_filter.cc

Index: content/browser/renderer_host/render_message_filter.cc
===================================================================
--- content/browser/renderer_host/render_message_filter.cc	(revision 90949)
+++ content/browser/renderer_host/render_message_filter.cc	(working copy)
@@ -125,7 +125,7 @@
   }
 
   virtual bool OffTheRecord() {
-    return filter()->incognito();
+    return filter()->OffTheRecord();
   }
 
   virtual void SetPluginInfo(const webkit::npapi::WebPluginInfo& info) {
@@ -378,6 +378,12 @@
   BrowserThread::DeleteOnIOThread::Destruct(this);
 }
 
+bool RenderMessageFilter::OffTheRecord() const {
+  return incognito_ ||
+         !content::GetContentClient()->browser()->AllowSaveLocalState(
+             resource_context_);
+}
+
 void RenderMessageFilter::OnMsgCreateWindow(
     const ViewHostMsg_CreateWindow_Params& params,
     int* route_id, int64* cloned_session_storage_namespace_id) {