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

extensions/browser/guest_view/web_view/web_view_find_helper.cc

Index: extensions/browser/guest_view/web_view/web_view_find_helper.cc
diff --git a/extensions/browser/guest_view/web_view/web_view_find_helper.cc b/extensions/browser/guest_view/web_view/web_view_find_helper.cc
index caa082ea44d09b53c5f9be79f98065e204a3523f..c7339e1eda9fe665602df675838064614deb8cb9 100644
--- a/extensions/browser/guest_view/web_view/web_view_find_helper.cc
+++ b/extensions/browser/guest_view/web_view/web_view_find_helper.cc
@@ -6,6 +6,7 @@
 
 #include <utility>
 
+#include "base/memory/ptr_util.h"
 #include "components/guest_view/browser/guest_view_event.h"
 #include "extensions/browser/api/guest_view/web_view/web_view_internal_api.h"
 #include "extensions/browser/guest_view/web_view/web_view_constants.h"
@@ -35,12 +36,12 @@ void WebViewFindHelper::CancelAllFindSessions() {
 void WebViewFindHelper::DispatchFindUpdateEvent(bool canceled,
                                                 bool final_update) {
   DCHECK(find_update_event_.get());
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
+  std::unique_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   find_update_event_->PrepareResults(args.get());
   args->SetBoolean(webview::kFindCanceled, canceled);
   args->SetBoolean(webview::kFindFinalUpdate, final_update);
   DCHECK(webview_guest_);
-  webview_guest_->DispatchEventToView(make_scoped_ptr(
+  webview_guest_->DispatchEventToView(base::WrapUnique(
       new GuestViewEvent(webview::kEventFindReply, std::move(args))));
 }