Convert //ppapi to use std::unique_ptr

ppapi/proxy/plugin_dispatcher.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_dispatcher.h"
 
 #include <map>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 248 matching lines @@
   // associated with it are no longer valid.
   ForceFreeAllInstances();
   // TODO(brettw) free resources too!
   delete this;
 }
 
 void PluginDispatcher::DidCreateInstance(PP_Instance instance) {
   if (!g_instance_to_dispatcher)
     g_instance_to_dispatcher = new InstanceToDispatcherMap;
   (*g_instance_to_dispatcher)[instance] = this;
-  instance_map_.set(instance, scoped_ptr<InstanceData>(new InstanceData()));
+  instance_map_.set(instance,
+                    std::unique_ptr<InstanceData>(new InstanceData()));
 }
 
 void PluginDispatcher::DidDestroyInstance(PP_Instance instance) {
   instance_map_.erase(instance);
 
   if (g_instance_to_dispatcher) {
     InstanceToDispatcherMap::iterator found = g_instance_to_dispatcher->find(
         instance);
     if (found != g_instance_to_dispatcher->end()) {
       DCHECK(found->second == this);
@@ skipping 59 matching lines @@
   // once they're set. The user will have to restart to get new font prefs
   // propogated to plugins.
   if (!received_preferences_) {
     received_preferences_ = true;
     preferences_ = prefs;
   }
 }
 
 }  // namespace proxy
 }  // namespace ppapi