Add PepperTryCatch and V8ObjectVar classes

content/renderer/pepper/host_var_tracker.h

 // 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_RENDERER_PEPPER_HOST_VAR_TRACKER_H_
 #define CONTENT_RENDERER_PEPPER_HOST_VAR_TRACKER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/containers/hash_tables.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/shared_impl/host_resource.h"
 #include "ppapi/shared_impl/resource_tracker.h"
 #include "ppapi/shared_impl/var_tracker.h"
+#include "v8/include/v8.h"
 
 typedef struct NPObject NPObject;
 
 namespace ppapi {
 class ArrayBufferVar;
 class NPObjectVar;
+class V8ObjectVar;
 class Var;
 }
 
 namespace content {
 
 // Adds NPObject var tracking to the standard PPAPI VarTracker for use in the
 // renderer.
 class HostVarTracker : public ppapi::VarTracker {
  public:
   HostVarTracker();
   virtual ~HostVarTracker();
 
   // Tracks all live NPObjectVar. This is so we can map between instance +
   // NPObject and get the NPObjectVar corresponding to it. This Add/Remove
   // function is called by the NPObjectVar when it is created and
   // destroyed.
   void AddNPObjectVar(ppapi::NPObjectVar* object_var);
   void RemoveNPObjectVar(ppapi::NPObjectVar* object_var);
 
   // Looks up a previously registered NPObjectVar for the given NPObject and
   // instance. Returns NULL if there is no NPObjectVar corresponding to the
   // given NPObject for the given instance. See AddNPObjectVar above.
   ppapi::NPObjectVar* NPObjectVarForNPObject(PP_Instance instance,
                                              NPObject* np_object);
 
   // Returns the number of NPObjectVar's associated with the given instance.
   // Returns 0 if the instance isn't known.
   CONTENT_EXPORT int GetLiveNPObjectVarsForInstance(PP_Instance instance) const;
 
+  // Tracks all live V8ObjectVar. This is so we can map between instance +
+  // V8Object and get the V8ObjectVar corresponding to it. This Add/Remove
+  // function is called by the V8ObjectVar when it is created and destroyed.
+  void AddV8ObjectVar(ppapi::V8ObjectVar* object_var) { NOTIMPLEMENTED(); }
+  void RemoveV8ObjectVar(ppapi::V8ObjectVar* object_var) { NOTIMPLEMENTED(); }
+  // Creates or retrieves a V8ObjectVar.
+  PP_Var V8ObjectVarForV8Object(PP_Instance instance,
+                                v8::Handle<v8::Object> object) {
+    NOTIMPLEMENTED();
+    return PP_MakeUndefined();
+  }
+
   // VarTracker public implementation.
   virtual PP_Var MakeResourcePPVarFromMessage(
       PP_Instance instance,
       const IPC::Message& creation_message,
       int pending_renderer_id,
       int pending_browser_id) OVERRIDE;
   virtual ppapi::ResourceVar* MakeResourceVar(PP_Resource pp_resource) OVERRIDE;
   virtual void DidDeleteInstance(PP_Instance instance) OVERRIDE;
 
   virtual int TrackSharedMemoryHandle(PP_Instance instance,
@@ skipping 38 matching lines @@
   typedef std::map<int, SharedMemoryMapEntry> SharedMemoryMap;
   SharedMemoryMap shared_memory_map_;
   uint32_t last_shared_memory_map_id_;
 
   DISALLOW_COPY_AND_ASSIGN(HostVarTracker);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_HOST_VAR_TRACKER_H_