Extract MonitorInfoProvider from WindowSizer.

ui/gfx/screen.h

 // Copyright (c) 2011 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_GFX_SCREEN_H_
 #define UI_GFX_SCREEN_H_
 #pragma once
 
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/point.h"
@@ skipping 25 matching lines @@
   // Returns the bounds of the monitor nearest the specified window.
   static gfx::Rect GetMonitorAreaNearestWindow(gfx::NativeView view);
 
   // Returns the work area of the monitor nearest the specified point.
   static gfx::Rect GetMonitorWorkAreaNearestPoint(const gfx::Point& point);
 
   // Returns the monitor area (not the work area, but the complete bounds) of
   // the monitor nearest the specified point.
   static gfx::Rect GetMonitorAreaNearestPoint(const gfx::Point& point);
 
+  // Returns the bounds of the work area of the primary monitor.
+  static gfx::Rect GetPrimaryMonitorWorkArea();
+
+  // Returns the bounds of the primary monitor.
+  static gfx::Rect GetPrimaryMonitorBounds();
+
+  // Returns the bounds of the work area of the monitor that most closely
+  // intersects the provided bounds.
+  static gfx::Rect GetMonitorWorkAreaMatching(
+      const gfx::Rect& match_rect);
+
   // Returns the window under the cursor.
   static gfx::NativeWindow GetWindowAtCursorScreenPoint();
 
   // Returns the dimensions of the primary monitor in pixels.
   static gfx::Size GetPrimaryMonitorSize();
 
   // Returns the number of monitors.
   // Mirrored displays are excluded; this method is intended to return the
   // number of distinct, usable displays.
   static int GetNumMonitors();
@@ skipping 14 matching lines @@
 private:
 #if defined(USE_AURA)
   // The singleton screen instance. Only used on aura.
   static Screen* instance_;
 #endif
 };
 
 }  // namespace gfx
 
 #endif  // VIEWS_SCREEN_H_