First pass at making the proxy handle multiple renderers. This associates the...

webkit/plugins/ppapi/resource_tracker.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 "webkit/plugins/ppapi/resource_tracker.h"
 
 #include <limits>
 #include <set>
 
 #include "base/lazy_instance.h"
@@ skipping 105 matching lines @@
   // pointer will get zeroed out in LastPluginRefWasDeleted.
   ResourceSet& resource_set = instance_to_resources_[
       resource->instance()->pp_instance()];
   DCHECK(resource_set.find(res) != resource_set.end());
   resource_set.erase(res);
 
   resource->LastPluginRefWasDeleted(true);
   live_resources_.erase(i);
 }
 
-uint32 ResourceTracker::GetLiveObjectsForModule(PluginModule* module) const {
-  // Since this is for testing only, we'll just go through all of them and
-  // count.
-  //
-  // TODO(brettw) we will eventually need to implement more efficient
-  // module->resource lookup to free resources when a module is unloaded. In
-  // this case, this function can be implemented using that system.
-  uint32 count = 0;
-  for (ResourceMap::const_iterator i = live_resources_.begin();
-       i != live_resources_.end(); ++i)
-    count++;
-  return count;
+uint32 ResourceTracker::GetLiveObjectsForInstance(
+    PP_Instance instance) const {
+  InstanceToResourceMap::const_iterator found =
+      instance_to_resources_.find(instance);
+  if (found == instance_to_resources_.end())
+    return 0;
+  return static_cast<uint32>(found->second.size());
 }
 
 scoped_refptr<Var> ResourceTracker::GetVar(int32 var_id) const {
   VarMap::const_iterator result = live_vars_.find(var_id);
   if (result == live_vars_.end()) {
     return scoped_refptr<Var>();
   }
   return result->second.first;
 }
 
@@ skipping 115 matching lines @@
 
 // static
 void ResourceTracker::ClearSingletonOverride() {
   DCHECK(singleton_override_);
   singleton_override_ = NULL;
 }
 
 }  // namespace ppapi
 }  // namespace webkit