Moves FindDisplayIndexContainingPoint into display

ui/display/manager/display_manager_utilities.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 "ui/display/manager/display_manager_utilities.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/sys_info.h"
@@ skipping 248 matching lines @@
       } else {
         a_edge_in_screen->SetRect(a_bounds.right() - 1, top, 1, bottom - top);
         b_edge_in_screen->SetRect(b_bounds.x(), top, 1, bottom - top);
       }
       break;
     }
   }
   return true;
 }
 
-int FindDisplayIndexContainingPoint(const std::vector<Display>& displays,
-                                    const gfx::Point& point_in_screen) {
-  auto iter = std::find_if(displays.begin(), displays.end(),
-                           [point_in_screen](const Display& display) {
-                             return display.bounds().Contains(point_in_screen);
-                           });
-  return iter == displays.end() ? -1 : (iter - displays.begin());
-}
-
 DisplayIdList CreateDisplayIdList(const Displays& list) {
   return GenerateDisplayIdList(
       list.begin(), list.end(),
       [](const Display& display) { return display.id(); });
 }
 
 void SortDisplayIdList(DisplayIdList* ids) {
   std::sort(ids->begin(), ids->end(),
             [](int64_t a, int64_t b) { return CompareDisplayIds(a, b); });
 }
@@ skipping 13 matching lines @@
   // Output index is stored in the first 8 bits. See GetDisplayIdFromEDID
   // in edid_parser.cc.
   int index_1 = id1 & 0xFF;
   int index_2 = id2 & 0xFF;
   DCHECK_NE(index_1, index_2) << id1 << " and " << id2;
   return Display::IsInternalDisplayId(id1) ||
          (index_1 < index_2 && !Display::IsInternalDisplayId(id2));
 }
 
 }  // namespace display