Replace unique_ptr.reset/release with std::move under src/extensions

extensions/browser/user_script_loader.cc

Index: extensions/browser/user_script_loader.cc
diff --git a/extensions/browser/user_script_loader.cc b/extensions/browser/user_script_loader.cc
index 0855deb9026a4324995a4e001e977b75ca4b2bbc..6ebe496964e0d23c73c1481ea3d79ffee966d12d 100644
--- a/extensions/browser/user_script_loader.cc
+++ b/extensions/browser/user_script_loader.cc
@@ -359,7 +359,7 @@ void UserScriptLoader::SetReady(bool ready) {
 void UserScriptLoader::OnScriptsLoaded(
     std::unique_ptr<UserScriptList> user_scripts,
     std::unique_ptr<base::SharedMemory> shared_memory) {
-  user_scripts_.reset(user_scripts.release());
+  user_scripts_ = std::move(user_scripts);
   if (pending_load_) {
     // While we were loading, there were further changes. Don't bother
     // notifying about these scripts and instead just immediately reload.
@@ -381,7 +381,7 @@ void UserScriptLoader::OnScriptsLoaded(
   }
 
   // We've got scripts ready to go.
-  shared_memory_.reset(shared_memory.release());
+  shared_memory_ = std::move(shared_memory);
 
   for (content::RenderProcessHost::iterator i(
            content::RenderProcessHost::AllHostsIterator());