Moves FindDisplayIndexContainingPoint into display

ui/display/manager/display_manager_utilities.h

 // 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.
 
 #ifndef UI_DISPLAY_MANAGER_DISPLAY_MANAGER_UTILITIES_H_
 #define UI_DISPLAY_MANAGER_DISPLAY_MANAGER_UTILITIES_H_
 
 #include <set>
 
 #include "ui/display/display.h"
 #include "ui/display/display_layout.h"
 #include "ui/display/manager/display_manager_export.h"
 #include "ui/display/manager/managed_display_info.h"
 
 namespace gfx {
-class Point;
 class Rect;
 class Size;
 }
 
 namespace display {
 class ManagedDisplayInfo;
 class ManagedDisplayMode;
 
 // Creates the display mode list for internal display
 // based on |native_mode|.
@@ skipping 28 matching lines @@
 bool HasDisplayModeForUIScale(const ManagedDisplayInfo& info, float ui_scale);
 
 // Computes the bounds that defines the bounds between two displays.
 // Returns false if two displays do not intersect.
 DISPLAY_MANAGER_EXPORT bool ComputeBoundary(
     const Display& primary_display,
     const Display& secondary_display,
     gfx::Rect* primary_edge_in_screen,
     gfx::Rect* secondary_edge_in_screen);
 
-// Returns the index in the displays whose bounds contains |point_in_screen|.
-// Returns -1 if no such display exist.
-DISPLAY_MANAGER_EXPORT int FindDisplayIndexContainingPoint(
-    const std::vector<Display>& displays,
-    const gfx::Point& point_in_screen);
-
 // Sorts id list using |CompareDisplayIds| below.
 DISPLAY_MANAGER_EXPORT void SortDisplayIdList(DisplayIdList* list);
 
 // Default id generator.
 class DefaultDisplayIdGenerator {
  public:
   int64_t operator()(int64_t id) { return id; }
 };
 
 // Generate sorted DisplayIdList from iterators.
@@ skipping 17 matching lines @@
     const DisplayIdList& list);
 
 // Returns true if one of following conditions is met.
 // 1) id1 is internal.
 // 2) output index of id1 < output index of id2 and id2 isn't internal.
 DISPLAY_MANAGER_EXPORT bool CompareDisplayIds(int64_t id1, int64_t id2);
 
 }  // namespace display
 
 #endif  // UI_DISPLAY_MANAGER_DISPLAY_MANAGER_UTILITIES_H_