PPAPI: Proxy VarArrayBuffer for out-of-process.

ppapi/proxy/plugin_var_serialization_rules.cc

 // 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.
 
 #include "ppapi/proxy/plugin_var_serialization_rules.h"
 
 #include "base/logging.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_globals.h"
 #include "ppapi/proxy/plugin_resource_tracker.h"
@@ skipping 23 matching lines @@
     Dispatcher* dispatcher) {
   if (var.type == PP_VARTYPE_OBJECT) {
     DCHECK(dispatcher->IsPlugin());
     return var_tracker_->TrackObjectWithNoReference(
         var, static_cast<PluginDispatcher*>(dispatcher));
   }
   return var;
 }
 
 void PluginVarSerializationRules::EndReceiveCallerOwned(const PP_Var& var) {
-  if (var.type == PP_VARTYPE_STRING) {
-    // Destroy the string.
+  if (var.type == PP_VARTYPE_OBJECT) {
+    var_tracker_->StopTrackingObjectWithNoReference(var);
+  } else if (var.type >= PP_VARTYPE_STRING) {
+    // Release our reference to the local Var.
     var_tracker_->ReleaseVar(var);
-  } else if (var.type == PP_VARTYPE_OBJECT) {
-    var_tracker_->StopTrackingObjectWithNoReference(var);
   }
 }
 
 PP_Var PluginVarSerializationRules::ReceivePassRef(const PP_Var& var,
                                                    Dispatcher* dispatcher) {
   // Overview of sending an object with "pass ref" from the browser to the
   // plugin:
   //                                  Example 1             Example 2
   //                               Plugin   Browser      Plugin   Browser
   // Before send                      3        2            0        1
@@ skipping 42 matching lines @@
 
 void PluginVarSerializationRules::EndSendPassRef(const PP_Var& var,
                                                  Dispatcher* dispatcher) {
   // See BeginSendPassRef for an example of why we release our ref here.
   // The var we have in our inner class has been converted to a host object
   // by BeginSendPassRef. This means it's not a normal var valid in the plugin,
   // so we need to use the special ReleaseHostObject.
   if (var.type == PP_VARTYPE_OBJECT) {
     var_tracker_->ReleaseHostObject(
         static_cast<PluginDispatcher*>(dispatcher), var);
-  } else if (var.type == PP_VARTYPE_STRING) {
+  } else if (var.type >= PP_VARTYPE_STRING) {
     var_tracker_->ReleaseVar(var);
   }
 }
 
 void PluginVarSerializationRules::ReleaseObjectRef(const PP_Var& var) {
   var_tracker_->ReleaseVar(var);
 }
 
 }  // namespace proxy
 }  // namespace ppapi