Update ppapi to not use linked_ptr or ScopedVector

ppapi/host/ppapi_host.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/host/ppapi_host.h"
 
 #include <stddef.h>
 
+#include <utility>
+
 #include "base/logging.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/host/host_factory.h"
 #include "ppapi/host/host_message_context.h"
 #include "ppapi/host/instance_message_filter.h"
 #include "ppapi/host/resource_host.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/resource_message_params.h"
 #include "ppapi/proxy/serialized_handle.h"
 #include "ppapi/shared_impl/host_resource.h"
@@ skipping 126 matching lines @@
     NOTREACHED();
     return 0;
   }
 
   if (pending_resource_hosts_.size() + resources_.size()
       >= kMaxResourcesPerPlugin) {
     return 0;
   }
 
   int pending_id = next_pending_resource_host_id_++;
-  pending_resource_hosts_[pending_id] =
-      linked_ptr<ResourceHost>(resource_host.release());
+  pending_resource_hosts_[pending_id] = std::move(resource_host);
   return pending_id;
 }
 
 void PpapiHost::AddHostFactoryFilter(scoped_ptr<HostFactory> filter) {
-  host_factory_filters_.push_back(filter.release());
+  host_factory_filters_.push_back(std::move(filter));
 }
 
 void PpapiHost::AddInstanceMessageFilter(
     scoped_ptr<InstanceMessageFilter> filter) {
-  instance_message_filters_.push_back(filter.release());
+  instance_message_filters_.push_back(std::move(filter));
 }
 
 void PpapiHost::OnHostMsgResourceCall(
     const proxy::ResourceMessageCallParams& params,
     const IPC::Message& nested_msg) {
   TRACE_EVENT2("ppapi proxy", "PpapiHost::OnHostMsgResourceCall",
                "Class", IPC_MESSAGE_ID_CLASS(nested_msg.type()),
                "Line", IPC_MESSAGE_ID_LINE(nested_msg.type()));
   HostMessageContext context(params);
   HandleResourceCall(params, nested_msg, &context);
@@ skipping 61 matching lines @@
       CreateResourceHost(params.pp_resource(), instance, nested_msg);
 
   if (!resource_host.get()) {
     NOTREACHED();
     return;
   }
 
   // Resource should have been assigned a nonzero PP_Resource.
   DCHECK(resource_host->pp_resource());
 
-  resources_[params.pp_resource()] =
-      linked_ptr<ResourceHost>(resource_host.release());
+  resources_[params.pp_resource()] = std::move(resource_host);
 }
 
 void PpapiHost::OnHostMsgAttachToPendingHost(PP_Resource pp_resource,
                                              int pending_host_id) {
   PendingHostResourceMap::iterator found =
       pending_resource_hosts_.find(pending_host_id);
   if (found == pending_resource_hosts_.end()) {
     // Plugin sent a bad ID.
     NOTREACHED();
     return;
   }
   found->second->SetPPResourceForPendingHost(pp_resource);
-  resources_[pp_resource] = found->second;
+  resources_[pp_resource] = std::move(found->second);
   pending_resource_hosts_.erase(found);
 }
 
 void PpapiHost::OnHostMsgResourceDestroyed(PP_Resource resource) {
   ResourceMap::iterator found = resources_.find(resource);
   if (found == resources_.end()) {
     NOTREACHED();
     return;
   }
   // Invoking the HostResource destructor might result in looking up the
   // PP_Resource in resources_. std::map is not well specified as to whether the
   // element will be there or not. Therefore, we delay destruction of the
   // HostResource until after we've made sure the map no longer contains
   // |resource|.
-  linked_ptr<ResourceHost> delete_at_end_of_scope(found->second);
+  scoped_ptr<ResourceHost> delete_at_end_of_scope(std::move(found->second));
   resources_.erase(found);
 }
 
 ResourceHost* PpapiHost::GetResourceHost(PP_Resource resource) const {
   ResourceMap::const_iterator found = resources_.find(resource);
   return found == resources_.end() ? NULL : found->second.get();
 }
 
 }  // namespace host
 }  // namespace ppapi