Run clang-format

This will lessen the code review noise in an upcoming commit.

Change-Id: I4e933def4b6a10f45ce7545ce990c646a04a7aa4
Reviewed-on: https://chromium-review.googlesource.com/c/1349512
Reviewed-by: Drew Wilson <[email protected]>
Commit-Queue: Nigel Tao <[email protected]>
Cr-Commit-Position: refs/heads/master@{#611342}
diff --git a/chrome/browser/background/background_contents_service.h b/chrome/browser/background/background_contents_service.h
index a4c9002..9566270 100644
--- a/chrome/browser/background/background_contents_service.h
+++ b/chrome/browser/background/background_contents_service.h
@@ -31,7 +31,7 @@
 namespace base {
 class CommandLine;
 class DictionaryValue;
-}
+}  // namespace base
 
 namespace content {
 class SessionStorageNamespace;
@@ -40,7 +40,7 @@
 namespace extensions {
 class Extension;
 class ExtensionRegistry;
-}
+}  // namespace extensions
 
 namespace gfx {
 class Rect;