Implement proxy for 3d-related interfaces

ppapi/proxy/plugin_dispatcher.cc

 // Copyright (c) 2010 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.
 
 #include "ppapi/proxy/plugin_dispatcher.h"
 
 #include <map>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 72 matching lines @@
       // Forward all other control messages to the superclass.
       IPC_MESSAGE_UNHANDLED(handled = Dispatcher::OnMessageReceived(msg))
     IPC_END_MESSAGE_MAP()
     return handled;
   }
 
   // All non-control messages get handled by the superclass.
   return Dispatcher::OnMessageReceived(msg);
 }
 
+void PluginDispatcher::DidCreateInstance(PP_Instance instance) {
+  instance_map_[instance] = InstanceData();
+}
+
+void PluginDispatcher::DidDestroyInstance(PP_Instance instance) {
+  InstanceDataMap::iterator it = instance_map_.find(instance);
+  if (it != instance_map_.end())
+    instance_map_.erase(it);
+}
+
+InstanceData* PluginDispatcher::GetInstanceData(PP_Instance instance) {
+  InstanceDataMap::iterator it = instance_map_.find(instance);
+  return (it == instance_map_.end()) ? NULL : &it->second;
+}
+
 void PluginDispatcher::OnMsgInitializeModule(PP_Module pp_module,
                                              bool* result) {
   set_pp_module(pp_module);
   *result = init_module_(pp_module, &GetInterfaceFromDispatcher) == PP_OK;
 }
 
 void PluginDispatcher::OnMsgShutdown() {
   if (shutdown_module_)
     shutdown_module_();
   MessageLoop::current()->Quit();
 }
 
 }  // namespace proxy
 }  // namespace pp