Fix some instances of -Wshadow.

Bug: 794619
Change-Id: I54e6cbcfaa3a06c62cc656ab38eb1fd10948e8ae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3105024
Auto-Submit: Peter Kasting <[email protected]>
Commit-Queue: Peter Kasting <[email protected]>
Reviewed-by: Nasko Oskov <[email protected]>
Cr-Commit-Position: refs/heads/main@{#913667}
diff --git a/content/browser/renderer_host/navigation_request_unittest.cc b/content/browser/renderer_host/navigation_request_unittest.cc
index aa85b11..6538e762 100644
--- a/content/browser/renderer_host/navigation_request_unittest.cc
+++ b/content/browser/renderer_host/navigation_request_unittest.cc
@@ -544,7 +544,7 @@
     // - If navigating to a non-local scheme, the target frame should have a new
     //   policy container (hence referrer policy set to "default").
     const GURL kUrl = GURL(test.url);
-    auto navigation =
+    navigation =
         NavigationSimulatorImpl::CreateRendererInitiated(kUrl, child_frame);
     static_cast<blink::mojom::PolicyContainerHost*>(
         child_frame->policy_container_host())