chrome/app: Change auto to not deduce raw pointers.

chrome/app/chrome_main_delegate.cc

Index: chrome/app/chrome_main_delegate.cc
diff --git a/chrome/app/chrome_main_delegate.cc b/chrome/app/chrome_main_delegate.cc
index eb91daa5dfe352ea2ed2f2826cc22f957e202742..7cf7a916cbb99ac662aa730bf933dd193c62d9a5 100644
--- a/chrome/app/chrome_main_delegate.cc
+++ b/chrome/app/chrome_main_delegate.cc
@@ -792,7 +792,7 @@ void ChromeMainDelegate::PreSandboxStartup() {
     // The renderer sandbox prevents us from accessing our .pak files directly.
     // Therefore file descriptors to the .pak files that we need are passed in
     // at process creation time.
-    auto global_descriptors = base::GlobalDescriptors::GetInstance();
+    auto* global_descriptors = base::GlobalDescriptors::GetInstance();
     int pak_fd = global_descriptors->Get(kAndroidLocalePakDescriptor);
     base::MemoryMappedFile::Region pak_region =
         global_descriptors->GetRegion(kAndroidLocalePakDescriptor);