Broker out PPAPI handle duplication

content/ppapi_plugin/ppapi_thread.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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/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"
 
+#if defined(OS_WIN)
+#include "base/win/scoped_handle.h"
+#endif
+
 class CommandLine;
 class FilePath;
 class PpapiWebKitPlatformSupportImpl;
 
 namespace IPC {
 struct ChannelHandle;
 }
 
 class PpapiThread : public ChildThread,
                     public ppapi::proxy::PluginDispatcher::PluginDelegate,
                     public ppapi::proxy::PluginProxyDelegate {
  public:
   PpapiThread(const CommandLine& command_line, bool is_broker);
   virtual ~PpapiThread();
 
  private:
   // ChildThread overrides.
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
+  virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
 
   // PluginDispatcher::PluginDelegate implementation.
   virtual std::set<PP_Instance>* GetGloballySeenInstanceIDSet() OVERRIDE;
   virtual base::MessageLoopProxy* GetIPCMessageLoop() OVERRIDE;
   virtual base::WaitableEvent* GetShutdownEvent() OVERRIDE;
+  virtual IPC::PlatformFileForTransit ShareHandleWithRemote(
+      base::PlatformFile handle,
+      const IPC::SyncChannel& channel,
+      bool should_close_source) OVERRIDE;
   virtual uint32 Register(
       ppapi::proxy::PluginDispatcher* plugin_dispatcher) OVERRIDE;
   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 OnMsgCreateChannel(int renderer_id,
                           bool incognito);
   void OnMsgSetNetworkState(bool online);
   void OnPluginDispatcherMessageReceived(const IPC::Message& msg);
 
   // 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,
+  bool SetupRendererChannel(int renderer_id,
                             bool incognito,
                             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.
   bool is_broker_;
 
   base::ScopedNativeLibrary library_;
@@ skipping 18 matching lines @@
   // See Dispatcher::Delegate::GetGloballySeenInstanceIDSet.
   std::set<PP_Instance> globally_seen_instance_ids_;
 
   // The PluginDispatcher instances contained in the map are not owned by it.
   std::map<uint32, ppapi::proxy::PluginDispatcher*> plugin_dispatchers_;
   uint32 next_plugin_dispatcher_id_;
 
   // The WebKitPlatformSupport implementation.
   scoped_ptr<PpapiWebKitPlatformSupportImpl> webkit_platform_support_;
 
+#if defined(OS_WIN)
+  // Caches the handle to the peer process if this is a broker.
+  base::win::ScopedHandle peer_handle_;
+#endif
+
   DISALLOW_IMPLICIT_CONSTRUCTORS(PpapiThread);
 };
 
 #endif  // CONTENT_PPAPI_PLUGIN_PPAPI_THREAD_H_