Follow up change to fix the NetworkFetcherMacDownloadToFile test.

Specifically, delete the line of code which deletes the test file (and even asserts on that). This is not needed to test the functionality of the networking code and the file will get deleted when the ScopedTempDir gets out of scope.

Bug: 1020650
Change-Id: Ib045cbd790c55753362c0e0367c61fd12bc35101
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1906473
Commit-Queue: Mila Green <milagreen@chromium.org>
Reviewed-by: Joshua Pawlicki <waffles@chromium.org>
Reviewed-by: Sorin Jianu <sorin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714291}

chrome/updater/mac/net/network_unittest.mm

@@ -64,9 +64,8 @@ class ChromeUpdaterNetworkMacTest : public ::testing::Test {
   void DownloadCallback(int net_error, int64_t content_size) {
     EXPECT_EQ(net_error, 200);
     EXPECT_GT(content_size, 0);
-    ASSERT_FALSE(testFilePath.empty());
-    ASSERT_TRUE(base::PathExists(testFilePath));
-    ASSERT_TRUE(base::DeleteFile(testFilePath, false));
+    EXPECT_FALSE(testFilePath.empty());
+    EXPECT_TRUE(base::PathExists(testFilePath));
     DownloadToFileCompleted();
   }
 
@@ -138,7 +137,8 @@ TEST_F(ChromeUpdaterNetworkMacTest, NetworkFetcherMacDownloadToFile) {
 
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  testFilePath = temp_dir.GetPath().Append(FILE_PATH_LITERAL("from_file"));
+  testFilePath =
+      temp_dir.GetPath().Append(FILE_PATH_LITERAL("downloaded_file"));
 
   fetcher->DownloadToFile(
       url, testFilePath,