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

content/browser/fileapi/transient_file_util_unittest.cc

Index: content/browser/fileapi/transient_file_util_unittest.cc
diff --git a/content/browser/fileapi/transient_file_util_unittest.cc b/content/browser/fileapi/transient_file_util_unittest.cc
index 0a55d029b3a176cd9dd2ac923530d23338ea2f2e..416404c59e04312229660d459466d6c233d222be 100644
--- a/content/browser/fileapi/transient_file_util_unittest.cc
+++ b/content/browser/fileapi/transient_file_util_unittest.cc
@@ -60,8 +60,8 @@ class TransientFileUtilTest : public testing::Test {
   }
 
   std::unique_ptr<storage::FileSystemOperationContext> NewOperationContext() {
-    return base::WrapUnique(
-        new storage::FileSystemOperationContext(file_system_context_.get()));
+    return base::MakeUnique<storage::FileSystemOperationContext>(
+        file_system_context_.get());
   }
 
   storage::FileSystemFileUtil* file_util() {