New thunk system for Pepper proxy and implementation

webkit/plugins/ppapi/resource_tracker.h

Index: webkit/plugins/ppapi/resource_tracker.h
===================================================================
--- webkit/plugins/ppapi/resource_tracker.h	(revision 84344)
+++ webkit/plugins/ppapi/resource_tracker.h	(working copy)
@@ -13,9 +13,13 @@
 #include "base/gtest_prod_util.h"
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_resource.h"
+#include "ppapi/proxy/interface_id.h"
+#include "ppapi/shared_impl/function_group_base.h"
+#include "ppapi/shared_impl/tracker_base.h"
 
 namespace webkit {
 namespace ppapi {
@@ -30,7 +34,7 @@
 // us to check resource ID validity and to map them to a specific module.
 //
 // This object is NOT threadsafe.
-class ResourceTracker {
+class ResourceTracker : public ::ppapi::shared_impl::TrackerBase {
  public:
   // Returns the pointer to the singleton object.
   static ResourceTracker* Get();
@@ -52,6 +56,13 @@
   // Returns the number of resources associated with this module.
   uint32 GetLiveObjectsForInstance(PP_Instance instance) const;
 
+  // ResourceTrackerBase.
+  virtual ::ppapi::shared_impl::ResourceObjectBase* GetResourceAPI(
+      PP_Resource res);
+  virtual ::ppapi::shared_impl::FunctionGroupBase* GetFunctionAPI(
+      PP_Instance inst,
+      pp::proxy::InterfaceID id);
+
   // PP_Vars -------------------------------------------------------------------
 
   scoped_refptr<Var> GetVar(int32 var_id) const;
@@ -177,6 +188,9 @@
   typedef std::map<PP_Module, PluginModule*> ModuleMap;
   ModuleMap module_map_;
 
+  scoped_ptr< ::ppapi::shared_impl::FunctionGroupBase >
+      function_proxies_[::pp::proxy::INTERFACE_ID_COUNT];
+
   DISALLOW_COPY_AND_ASSIGN(ResourceTracker);
 };