services/{ui,shell}: Change auto to not deduce raw pointers.

services/ui/ws/window_tree.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "services/ui/ws/window_tree.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 1167 matching lines @@
     return;
   }
 
   const ui::mojom::EventType event_type_whitelist[] = {
       ui::mojom::EventType::POINTER_CANCEL, ui::mojom::EventType::POINTER_DOWN,
       ui::mojom::EventType::POINTER_MOVE,   ui::mojom::EventType::POINTER_UP,
       ui::mojom::EventType::MOUSE_EXIT,     ui::mojom::EventType::WHEEL,
   };
 
   if (matcher->type_matcher) {
-    auto iter =
+    auto* iter =
         std::find(std::begin(event_type_whitelist),
                   std::end(event_type_whitelist), matcher->type_matcher->type);
     if (iter == std::end(event_type_whitelist)) {
       DVLOG(1) << "SetEventObserver event type not allowed";
       return;
     }
   }
   if (matcher->pointer_kind_matcher) {
     ui::mojom::PointerKind pointer_kind =
         matcher->pointer_kind_matcher->pointer_kind;
@@ skipping 470 matching lines @@
 }
 
 bool WindowTree::IsWindowRootOfAnotherTreeForAccessPolicy(
     const ServerWindow* window) const {
   WindowTree* tree = window_server_->GetTreeWithRoot(window);
   return tree && tree != this;
 }
 
 }  // namespace ws
 }  // namespace ui