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

ui/gfx/win/physical_size.h

Index: ui/gfx/win/physical_size.h
diff --git a/ui/gfx/win/physical_size.h b/ui/gfx/win/physical_size.h
new file mode 100644
index 0000000000000000000000000000000000000000..7c90b8524fa7dbfc0fdd9ed76603c1f755df272e
--- /dev/null
+++ b/ui/gfx/win/physical_size.h
@@ -0,0 +1,30 @@
+// 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 {
+  std::string display_name;
+  int width_mm;
+  int height_mm;
+
+  PhysicalDisplaySize(std::string display_name, int width_mm, int height_mm)

[scottmg, 2016/01/12 01:03:13]

Always pass std::string as "const std::string&".

[Bret, 2016/01/12 22:55:17]

Done.

+      : display_name(display_name), width_mm(width_mm), height_mm(height_mm) {}
+};
+
+// Gets the physical size for all displays.
+void GFX_EXPORT

[scottmg, 2016/01/12 01:03:13]

GFX_EXPORT before void, not after.

[Bret, 2016/01/12 22:55:17]

Done.

+GetPhysicalSizeForDisplays(std::vector<PhysicalDisplaySize>* out);

[scottmg, 2016/01/12 01:03:13]

Consider having this return std::vector<PhysicalDisplaySize> as it seems like
that'd be more natural.

[Bret, 2016/01/12 22:55:17]

Done.

+
+}  // namespace gfx
+
+#endif  // UI_GFX_DPI_WIN_H_