Make kClearSiteDataOnExit work correctly for Flash in multi-profile.

content/browser/plugin_process_host.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_PLUGIN_PROCESS_HOST_H_
 #define CONTENT_BROWSER_PLUGIN_PROCESS_HOST_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 27 matching lines @@
 // have a process.  After that, most of the communication is directly between
 // the renderer and plugin processes.
 class PluginProcessHost : public BrowserChildProcessHost {
  public:
   class Client {
    public:
     // Returns a opaque unique identifier for the process requesting
     // the channel.
     virtual int ID() = 0;
     virtual bool OffTheRecord() = 0;
+    virtual bool SaveLocalState() = 0;

[Bernhard Bauer, 2011/06/30 12:24:12]

I think we should collapse |OffTheRecord| and |SaveLocalState| already in the
PluginProcessHost::Client, as they both essentially tell the plug-in not to save
state (and whether this is because of incognito mode or a preference is a
chrome/ thing, not a content/ thing). 

[Miranda Callahan, 2011/06/30 13:38:43]

Ha -- I woke up at four in the morning and had the same thought. Done.

     virtual void SetPluginInfo(const webkit::npapi::WebPluginInfo& info) = 0;
     // The client should delete itself when one of these methods is called.
     virtual void OnChannelOpened(const IPC::ChannelHandle& handle) = 0;
     virtual void OnError() = 0;
 
    protected:
     virtual ~Client() {}
   };
 
   PluginProcessHost();
@@ skipping 87 matching lines @@
   // Tracks modal windows currently visible.
   std::set<uint32> plugin_modal_windows_set_;
   // Tracks the current visibility of the cursor.
   bool plugin_cursor_visible_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(PluginProcessHost);
 };
 
 #endif  // CONTENT_BROWSER_PLUGIN_PROCESS_HOST_H_