clang-format all of //ash

ash/shelf/shelf_window_watcher.h

Index: ash/shelf/shelf_window_watcher.h
diff --git a/ash/shelf/shelf_window_watcher.h b/ash/shelf/shelf_window_watcher.h
index 53cbdbf0be0ce6320f8804aeea468df6a617ed2d..7cfe2dca870070a8d63a7958e3b6ae6eca046632 100644
--- a/ash/shelf/shelf_window_watcher.h
+++ b/ash/shelf/shelf_window_watcher.h
@@ -144,7 +144,8 @@ class ShelfWindowWatcher : public aura::client::ActivationChangeObserver,
 
   // Holds all observed activation clients.
   ScopedObserverWithDuplicatedSources<aura::client::ActivationClient,
-      aura::client::ActivationChangeObserver> observed_activation_clients_;
+                                      aura::client::ActivationChangeObserver>
+      observed_activation_clients_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfWindowWatcher);
 };