Convert implicit scoped_refptr constructor calls to explicit ones, part 1

chrome/plugin/plugin_channel.cc

Index: chrome/plugin/plugin_channel.cc
diff --git a/chrome/plugin/plugin_channel.cc b/chrome/plugin/plugin_channel.cc
index a3216c606be492dd48218306888f14773f3cba6c..aa3b7130379c53e5b6325f91cc9ac00165f95d2d 100644
--- a/chrome/plugin/plugin_channel.cc
+++ b/chrome/plugin/plugin_channel.cc
@@ -218,8 +218,8 @@ void PluginChannel::OnControlMessageReceived(const IPC::Message& msg) {
 void PluginChannel::OnCreateInstance(const std::string& mime_type,
                                      int* instance_id) {
   *instance_id = GenerateRouteID();
-  scoped_refptr<WebPluginDelegateStub> stub = new WebPluginDelegateStub(
-      mime_type, *instance_id, this);
+  scoped_refptr<WebPluginDelegateStub> stub(new WebPluginDelegateStub(
+      mime_type, *instance_id, this));
   AddRoute(*instance_id, stub, NULL);
   plugin_stubs_.push_back(stub);
 }