Adjust URLFetcher::Create API so that object is returned as scoped_ptr.

chrome/browser/apps/drive/drive_app_converter.cc

Index: chrome/browser/apps/drive/drive_app_converter.cc
diff --git a/chrome/browser/apps/drive/drive_app_converter.cc b/chrome/browser/apps/drive/drive_app_converter.cc
index b7a8c33839361ffe23e11350a3d7fb177faad904..e1df7c9e24b579a8dd8abea63e1434beea0c8158 100644
--- a/chrome/browser/apps/drive/drive_app_converter.cc
+++ b/chrome/browser/apps/drive/drive_app_converter.cc
@@ -44,8 +44,7 @@ class DriveAppConverter::IconFetcher : public net::URLFetcherDelegate,
   ~IconFetcher() override {}
 
   void Start() {
-    fetcher_.reset(
-        net::URLFetcher::Create(icon_url_, net::URLFetcher::GET, this));
+    fetcher_ = net::URLFetcher::Create(icon_url_, net::URLFetcher::GET, this);
     fetcher_->SetRequestContext(converter_->profile_->GetRequestContext());
     fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES);
     fetcher_->Start();