Make kClearSiteDataOnExit work correctly for Flash in multi-profile.

content/plugin/plugin_thread.cc

Index: content/plugin/plugin_thread.cc
===================================================================
--- content/plugin/plugin_thread.cc	(revision 90755)
+++ content/plugin/plugin_thread.cc	(working copy)
@@ -151,6 +151,7 @@
 }
 
 void PluginThread::OnCreateChannel(int renderer_id,
+                                   bool save_local_state,
                                    bool incognito) {
   scoped_refptr<PluginChannel> channel(PluginChannel::GetPluginChannel(
       renderer_id, ChildProcess::current()->io_message_loop_proxy()));
@@ -161,6 +162,7 @@
     // On POSIX, pass the renderer-side FD.
     channel_handle.socket = base::FileDescriptor(channel->renderer_fd(), false);
 #endif
+    channel->set_save_local_state(save_local_state);
     channel->set_incognito(incognito);
   }