Fix ScopedTempDir in net_unittests.

net/http/http_stream_parser_unittest.cc

Index: net/http/http_stream_parser_unittest.cc
diff --git a/net/http/http_stream_parser_unittest.cc b/net/http/http_stream_parser_unittest.cc
index 012960606c1115f65f9555d18d76ccca04895d28..b431549fe83337713fc9f6c743cd97636a2e36d7 100644
--- a/net/http/http_stream_parser_unittest.cc
+++ b/net/http/http_stream_parser_unittest.cc
@@ -146,16 +146,15 @@ TEST(HttpStreamParser, ShouldMergeRequestHeadersAndBody_ChunkedBody) {
 }
 
 TEST(HttpStreamParser, ShouldMergeRequestHeadersAndBody_FileBody) {
+  // Create an empty temporary file.
+  base::ScopedTempDir temp_dir;
+  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
+  base::FilePath temp_file_path;
+  ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir.path(), &temp_file_path));
+
   {
     ScopedVector<UploadElementReader> element_readers;
 
-    // Create an empty temporary file.
-    base::ScopedTempDir temp_dir;
-    ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-    base::FilePath temp_file_path;
-    ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir.path(),
-                                               &temp_file_path));
-
     element_readers.push_back(
         new UploadFileElementReader(base::ThreadTaskRunnerHandle::Get().get(),
                                     temp_file_path, 0, 0, base::Time()));
@@ -169,6 +168,7 @@ TEST(HttpStreamParser, ShouldMergeRequestHeadersAndBody_FileBody) {
     ASSERT_FALSE(HttpStreamParser::ShouldMergeRequestHeadersAndBody(
         "some header", body.get()));
   }
+
   // UploadFileElementReaders may post clean-up tasks on destruction.
   base::RunLoop().RunUntilIdle();
 }