Remove some unnecessary heap allocations and copies.

chrome/browser/ui/webui/inspect_ui.cc

Index: chrome/browser/ui/webui/inspect_ui.cc
diff --git a/chrome/browser/ui/webui/inspect_ui.cc b/chrome/browser/ui/webui/inspect_ui.cc
index 43038c168a66efcb6cd90cc39b78bf6b30e0dec4..70401b16d2f3d57fa6c5820259aaadf15b7ec924 100644
--- a/chrome/browser/ui/webui/inspect_ui.cc
+++ b/chrome/browser/ui/webui/inspect_ui.cc
@@ -476,12 +476,10 @@ DevToolsTargetImpl* InspectUI::FindTarget(
 }
 
 void InspectUI::PopulateTargets(const std::string& source,
-                                scoped_ptr<base::ListValue> targets) {
-  scoped_ptr<base::Value> source_value(base::Value::CreateStringValue(source));
-  web_ui()->CallJavascriptFunction(
-      "populateTargets",
-      *source_value.get(),
-      *targets.get());
+                                const base::ListValue& targets) {
+  web_ui()->CallJavascriptFunction("populateTargets",
+                                   base::StringValue(source),
+                                   targets);
 }
 
 void InspectUI::PopulatePortStatus(const base::Value& status) {