Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc

Index: chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc
diff --git a/chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc b/chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc
index 87f566a5485f346c42b3331b4a52deb07e1e6cc1..5c1bf07af33f31f132371b168ba873ddba905182 100644
--- a/chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc
+++ b/chrome/browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc
@@ -49,7 +49,7 @@ class TestService : public BitmapFetcherService {
   // the decode step, which requires a utility process.
   std::unique_ptr<chrome::BitmapFetcher> CreateFetcher(
       const GURL& url) override {
-    return base::WrapUnique(new chrome::BitmapFetcher(url, this));
+    return base::MakeUnique<chrome::BitmapFetcher>(url, this);
   }
 };