ash: Use stl utilities from the base namespace

ash/wm/screen_pinning_controller.cc

 // Copyright 2016 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 "ash/wm/screen_pinning_controller.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "ash/aura/wm_window_aura.h"
@@ skipping 337 matching lines @@
   for (WmWindow* dim_window : std::vector<WmWindow*>(dim_windows_)) {
     if (!dim_window->GetTargetVisibility())
       delete WmWindowAura::GetAuraWindow(dim_window);
   }
 
   // Then, create missing dim_windows.
   std::vector<WmWindow*> system_modal_containers =
       GetSystemModalWindowsExceptPinned(pinned_window_);
   for (WmWindow* system_modal : system_modal_containers) {
     const std::vector<WmWindow*> children = system_modal->GetChildren();
-    if (!children.empty() && ContainsValue(dim_windows_, children[0])) {
+    if (!children.empty() && base::ContainsValue(dim_windows_, children[0])) {
       // The system modal dialog has the dim window.
       continue;
     }
 
     // This is the new system modal dialog.
     WmWindow* dim_window = CreateDimWindow(system_modal);
     system_modal->StackChildAtBottom(dim_window);
     dim_windows_.push_back(dim_window);
     WmWindowAura::GetAuraWindow(dim_window)
         ->AddObserver(dim_window_observer_.get());
@@ skipping 23 matching lines @@
   base::AutoReset<bool> auto_reset(&in_restacking_, true);
   for (WmWindow* dim_window : dim_windows_) {
     if (dim_window->GetParent() == container) {
       container->StackChildAtBottom(dim_window);
       break;
     }
   }
 }
 
 }  // namespace ash