Add an interface for Flash to clear its data.

content/ppapi_plugin/ppapi_thread.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_PPAPI_PLUGIN_PPAPI_THREAD_H_
 #define CONTENT_PPAPI_PLUGIN_PPAPI_THREAD_H_
 #pragma once
 
 #include <map>
+#include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/file_path.h"

[viettrungluu, 2012/04/11 23:25:27]

Nit: unneeded.

 #include "base/memory/scoped_ptr.h"
 #include "base/process.h"
 #include "base/scoped_native_library.h"
 #include "build/build_config.h"
 #include "content/common/child_thread.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/trusted/ppp_broker.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_globals.h"
 #include "ppapi/proxy/plugin_proxy_delegate.h"
@@ skipping 25 matching lines @@
   virtual void Unregister(uint32 plugin_dispatcher_id) OVERRIDE;
 
   // PluginProxyDelegate.
   virtual bool SendToBrowser(IPC::Message* msg) OVERRIDE;
   virtual void PreCacheFont(const void* logfontw) OVERRIDE;
 
   // Message handlers.
   void OnMsgLoadPlugin(const FilePath& path);
   void OnMsgCreateChannel(base::ProcessHandle host_process_handle,
                           int renderer_id);
+  void OnMsgClearSiteData(const FilePath& plugin_data_path,
+                          const std::string& site,
+                          uint64 flags,
+                          uint64 max_age);
   void OnMsgSetNetworkState(bool online);
   void OnPluginDispatcherMessageReceived(const IPC::Message& msg);
 
+  // Requests that the plugin clear data, returning true on success.
+  bool ClearSiteData(const FilePath& plugin_data_path,
+                     const std::string& site,
+                     uint64 flags,
+                     uint64 max_age);
+
   // Sets up the channel to the given renderer. On success, returns true and
   // fills the given ChannelHandle with the information from the new channel.
   bool SetupRendererChannel(base::ProcessHandle host_process_handle,
                             int renderer_id,
                             IPC::ChannelHandle* handle);
 
   // Sets up the name of the plugin for logging using the given path.
   void SavePluginName(const FilePath& path);
 
   // True if running in a broker process rather than a normal plugin process.
@@ skipping 25 matching lines @@
   std::map<uint32, ppapi::proxy::PluginDispatcher*> plugin_dispatchers_;
   uint32 next_plugin_dispatcher_id_;
 
   // The WebKitPlatformSupport implementation.
   scoped_ptr<PpapiWebKitPlatformSupportImpl> webkit_platform_support_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PpapiThread);
 };
 
 #endif  // CONTENT_PPAPI_PLUGIN_PPAPI_THREAD_H_