Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

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 fd9a75eb20e4fd7700ef1812e3fe85a2cf61c270..25a1e7d5991a21cc7bc0f9c8df653472787cfb16 100644
--- a/chrome/browser/ui/webui/inspect_ui.cc
+++ b/chrome/browser/ui/webui/inspect_ui.cc
@@ -490,7 +490,7 @@ const base::Value* InspectUI::GetPrefValue(const char* name) {
 }
 
 void InspectUI::AddTargetUIHandler(
-    scoped_ptr<DevToolsTargetsUIHandler> handler) {
+    std::unique_ptr<DevToolsTargetsUIHandler> handler) {
   DevToolsTargetsUIHandler* handler_ptr = handler.release();
   target_handlers_[handler_ptr->source_id()] = handler_ptr;
 }