remoting: Use stl utilities from the base namespace

remoting/host/touch_injector_win_unittest.cc

 // Copyright 2015 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 "remoting/host/touch_injector_win.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
@@ skipping 45 matching lines @@
              expected.pointerInfo.ptPixelLocation.x &&
          arg->pointerInfo.ptPixelLocation.y ==
              expected.pointerInfo.ptPixelLocation.y;
 }
 
 // Make sure that every touch point has the right flag (pointerFlags).
 MATCHER_P(EqualsPointerTouchInfoFlag, id_to_flag_map, "") {
   for (size_t i = 0; i < id_to_flag_map.size(); ++i) {
     const POINTER_TOUCH_INFO* touch_info = arg + i;
     const uint32_t id = touch_info->pointerInfo.pointerId;
-    if (!ContainsKey(id_to_flag_map, id))
+    if (!base::ContainsKey(id_to_flag_map, id))
       return false;
 
     if (id_to_flag_map.find(id)->second != touch_info->pointerInfo.pointerFlags)
       return false;
   }
   return true;
 }
 
 class TouchInjectorWinDelegateMock : public TouchInjectorWinDelegate {
  public:
@@ skipping 436 matching lines @@
   TouchEvent cancel_rest;
   cancel_rest.set_event_type(TouchEvent::TOUCH_POINT_CANCEL);
   point0 = cancel_rest.add_touch_points();
   point0->set_id(0u);
   point2 = cancel_rest.add_touch_points();
   point2->set_id(2u);
   injector.InjectTouchEvent(cancel_rest);
 }
 
 }  // namespace remoting