Convert //extensions/renderer from scoped_ptr to std::unique_ptr

extensions/renderer/script_injection.cc

Index: extensions/renderer/script_injection.cc
diff --git a/extensions/renderer/script_injection.cc b/extensions/renderer/script_injection.cc
index 70464b646c4090e6a217deebd3f6ff75db1c8b30..8933f664d20c16b01cd12ec0d8cc9bace1a7593a 100644
--- a/extensions/renderer/script_injection.cc
+++ b/extensions/renderer/script_injection.cc
@@ -115,10 +115,11 @@ void ScriptInjection::RemoveIsolatedWorld(const std::string& host_id) {
   g_isolated_worlds.Get().erase(host_id);
 }
 
-ScriptInjection::ScriptInjection(scoped_ptr<ScriptInjector> injector,
-                                 content::RenderFrame* render_frame,
-                                 scoped_ptr<const InjectionHost> injection_host,
-                                 UserScript::RunLocation run_location)
+ScriptInjection::ScriptInjection(
+    std::unique_ptr<ScriptInjector> injector,
+    content::RenderFrame* render_frame,
+    std::unique_ptr<const InjectionHost> injection_host,
+    UserScript::RunLocation run_location)
     : injector_(std::move(injector)),
       render_frame_(render_frame),
       injection_host_(std::move(injection_host)),
@@ -246,7 +247,7 @@ void ScriptInjection::InjectJs() {
                                                      web_frame);
   bool is_user_gesture = injector_->IsUserGesture();
 
-  scoped_ptr<blink::WebScriptExecutionCallback> callback(
+  std::unique_ptr<blink::WebScriptExecutionCallback> callback(
       new ScriptInjectionCallback(
           base::Bind(&ScriptInjection::OnJsInjectionCompleted,
                      weak_ptr_factory_.GetWeakPtr())));
@@ -283,7 +284,7 @@ void ScriptInjection::OnJsInjectionCompleted(
   if (expects_results) {
     if (!results.isEmpty() && !results[0].IsEmpty()) {
       // Right now, we only support returning single results (per frame).
-      scoped_ptr<content::V8ValueConverter> v8_converter(
+      std::unique_ptr<content::V8ValueConverter> v8_converter(
           content::V8ValueConverter::create());
       // It's safe to always use the main world context when converting
       // here. V8ValueConverterImpl shouldn't actually care about the