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

ui/gfx/screen_win.cc

Index: ui/gfx/screen_win.cc
diff --git a/ui/gfx/screen_win.cc b/ui/gfx/screen_win.cc
index 3199f7acaacdd2b15c3dca37d09014dc418c2d00..e178f20e5f03060c5add55a2a7554355b57452e4 100644
--- a/ui/gfx/screen_win.cc
+++ b/ui/gfx/screen_win.cc
@@ -15,6 +15,7 @@
 #include "base/win/win_util.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/win/dpi.h"
+#include "ui/gfx/win/physical_size.h"
 
 namespace {
 
@@ -26,9 +27,12 @@ MONITORINFOEX GetMonitorInfoForMonitor(HMONITOR monitor) {
   return monitor_info;
 }
 
+int64_t GenerateDisplayId(const std::string& str) {
+  return static_cast<int64_t>(base::Hash(str));
+}
+
 gfx::Display GetDisplay(const MONITORINFOEX& monitor_info) {
-  int64_t id =
-      static_cast<int64_t>(base::Hash(base::WideToUTF8(monitor_info.szDevice)));
+  int64_t id = GenerateDisplayId(base::WideToUTF8(monitor_info.szDevice));
   gfx::Rect bounds = gfx::Rect(monitor_info.rcMonitor);
   gfx::Display display(id);
   display.set_bounds(gfx::win::ScreenToDIPRect(bounds));
@@ -36,6 +40,19 @@ gfx::Display GetDisplay(const MONITORINFOEX& monitor_info) {
       gfx::win::ScreenToDIPRect(gfx::Rect(monitor_info.rcWork)));
   display.SetScaleAndBounds(gfx::GetDPIScale(), bounds);
 
+  int width_mm = 0;
+  int height_mm = 0;
+  std::vector<gfx::PhysicalDisplaySize> display_sizes =
+      gfx::GetPhysicalSizeForDisplays();
+  for (const auto& display_size : display_sizes) {
+    int64_t interface_id = GenerateDisplayId(display_size.display_name);
+    if (interface_id == id) {
+      width_mm = display_size.width_mm;
+      height_mm = display_size.height_mm;
+    }
+  }
+  display.SetPhysicalSizeMm(gfx::Size(width_mm, height_mm));
+
   DEVMODE mode;
   memset(&mode, 0, sizeof(DEVMODE));
   mode.dmSize = sizeof(DEVMODE);