Run clang-modernize -use-nullptr over src/extensions/.

extensions/renderer/dispatcher.cc

 // Copyright 2014 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 "extensions/renderer/dispatcher.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 795 matching lines @@
   std::map<int, int>::const_iterator it =
       port_to_tab_id_map_.find(target_port_id);
   if (it != port_to_tab_id_map_.end()) {
     scoped_tab_id.reset(
         new RequestSender::ScopedTabID(request_sender(), it->second));
   }
 
   MessagingBindings::DeliverMessage(script_context_set_,
                                     target_port_id,
                                     message,
-                                    NULL);  // All render views.
+                                    nullptr);  // All render views.
 }
 
 void Dispatcher::OnDispatchOnConnect(
     int target_port_id,
     const std::string& channel_name,
     const base::DictionaryValue& source_tab,
     const ExtensionMsg_ExternalConnectionInfo& info,
     const std::string& tls_channel_id) {
   DCHECK(!ContainsKey(port_to_tab_id_map_, target_port_id));
   DCHECK_EQ(1, target_port_id % 2);  // target renderer ports have odd IDs.
   int sender_tab_id = -1;
   source_tab.GetInteger("id", &sender_tab_id);
   port_to_tab_id_map_[target_port_id] = sender_tab_id;
 
   MessagingBindings::DispatchOnConnect(script_context_set_,
                                        target_port_id,
                                        channel_name,
                                        source_tab,
                                        info,
                                        tls_channel_id,
-                                       NULL);  // All render views.
+                                       nullptr);  // All render views.
 }
 
 void Dispatcher::OnDispatchOnDisconnect(int port_id,
                                         const std::string& error_message) {
   MessagingBindings::DispatchOnDisconnect(script_context_set_,
                                           port_id,
                                           error_message,
-                                          NULL);  // All render views.
+                                          nullptr);  // All render views.
 }
 
 void Dispatcher::OnLoaded(
     const std::vector<ExtensionMsg_Loaded_Params>& loaded_extensions) {
   std::vector<ExtensionMsg_Loaded_Params>::const_iterator i;
   for (i = loaded_extensions.begin(); i != loaded_extensions.end(); ++i) {
     std::string error;
     scoped_refptr<const Extension> extension = i->ConvertToExtension(&error);
     if (!extension.get()) {
       extension_load_errors_[i->id] = error;
@@ skipping 10 matching lines @@
 void Dispatcher::OnLoadedInternal(scoped_refptr<const Extension> extension) {
   extensions_.Insert(extension);
 }
 
 void Dispatcher::OnMessageInvoke(const std::string& extension_id,
                                  const std::string& module_name,
                                  const std::string& function_name,
                                  const base::ListValue& args,
                                  bool user_gesture) {
   InvokeModuleSystemMethod(
-      NULL, extension_id, module_name, function_name, args, user_gesture);
+      nullptr, extension_id, module_name, function_name, args, user_gesture);
 }
 
 void Dispatcher::OnSetChannel(int channel) {
   delegate_->SetChannel(channel);
 }
 
 void Dispatcher::OnSetFunctionNames(const std::vector<std::string>& names) {
   function_names_.clear();
   for (size_t i = 0; i < names.size(); ++i)
     function_names_.insert(names[i]);
@@ skipping 227 matching lines @@
         Feature* feature = api_feature_provider->GetFeature(api_name);
         DCHECK(feature);
 
         // Internal APIs are included via require(api_name) from internal code
         // rather than chrome[api_name].
         if (feature->IsInternal())
           continue;
 
         // If this API has a parent feature (and isn't marked 'noparent'),
         // then this must be a function or event, so we should not register.
-        if (api_feature_provider->GetParent(feature) != NULL)
+        if (api_feature_provider->GetParent(feature) != nullptr)
           continue;
 
         // Skip chrome.test if this isn't a test.
         if (api_name == "test" &&
             !CommandLine::ForCurrentProcess()->HasSwitch(
                 ::switches::kTestType)) {
           continue;
         }
 
         if (context->IsAnyFeatureAvailableToContext(*feature))
@@ skipping 229 matching lines @@
     return v8::Handle<v8::Object>();
 
   if (bind_name)
     *bind_name = split.back();
 
   return bind_object.IsEmpty() ? AsObjectOrEmpty(GetOrCreateChrome(context))
                                : bind_object;
 }
 
 }  // namespace extensions