Added capability on Windows to get the physical dimensions of your attached monitors. Also added th…

ui/gfx/win/physical_size.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_GFX_WIN_PHYSICAL_SIZE_H_
+#define UI_GFX_WIN_PHYSICAL_SIZE_H_
+
+#include <string>
+#include <vector>
+
+#include "ui/gfx/gfx_export.h"
+
+namespace gfx {
+
+struct PhysicalDisplaySize {
+  PhysicalDisplaySize(const std::string& display_name,
+                      int width_mm,
+                      int height_mm)
+      : display_name(display_name), width_mm(width_mm), height_mm(height_mm) {}
+
+  std::string display_name;
+  int width_mm;
+  int height_mm;
+};
+
+// Gets the physical size for all displays.
+GFX_EXPORT std::vector<PhysicalDisplaySize> GetPhysicalSizeForDisplays();
+
+}  // namespace gfx
+
+#endif  // UI_GFX_DPI_WIN_H_