ash: Use stl utilities from the base namespace

ash/display/window_tree_host_manager.cc

 // Copyright (c) 2012 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/display/window_tree_host_manager.h"
 
 #include <algorithm>
 #include <cmath>
 #include <map>
 #include <memory>
@@ skipping 263 matching lines @@
   for (aura::Window::Windows::iterator iter = root_windows.begin();
        iter != root_windows.end(); ++iter) {
     RootWindowController* rwc = GetRootWindowController(*iter);
     if (GetRootWindowSettings(*iter)->display_id == primary_id)
       primary_rwc = rwc;
     else
       to_delete.push_back(rwc);
   }
   CHECK(primary_rwc);
 
-  STLDeleteElements(&to_delete);
+  base::STLDeleteElements(&to_delete);
   delete primary_rwc;
 }
 
 void WindowTreeHostManager::CreatePrimaryHost(
     const AshWindowTreeHostInitParams& init_params) {
   const display::Display& primary_candidate =
       GetDisplayManager()->GetPrimaryDisplayCandidate();
   primary_display_id = primary_candidate.id();
   CHECK_NE(display::Display::kInvalidDisplayID, primary_display_id);
   AddWindowTreeHostForDisplay(primary_candidate, init_params);
@@ skipping 550 matching lines @@
   SetDisplayPropertiesOnHost(ash_host, display);
 
 #if defined(OS_CHROMEOS)
   if (switches::ConstrainPointerToRoot())
     ash_host->ConfineCursorToRootWindow();
 #endif
   return ash_host;
 }
 
 }  // namespace ash