Android: Add support for returning real screen resolution.

ui/gfx/android/device_display_info.cc

Index: ui/gfx/android/device_display_info.cc
diff --git a/ui/gfx/android/device_display_info.cc b/ui/gfx/android/device_display_info.cc
index 2de8440e1d3e2b41e9b7b0bc5384188d7fd8b929..90d060cd7595be726e52b741dabb05473e9f1152 100644
--- a/ui/gfx/android/device_display_info.cc
+++ b/ui/gfx/android/device_display_info.cc
@@ -23,6 +23,20 @@ int DeviceDisplayInfo::GetDisplayWidth() {
   return SharedDeviceDisplayInfo::GetInstance()->GetDisplayWidth();
 }
 
+int DeviceDisplayInfo::GetRealDisplayHeight(bool& supported) {
+  int height = SharedDeviceDisplayInfo::GetInstance()->GetRealDisplayHeight();
+  if (!(supported = height > 0))

[no sievers, 2013/12/20 19:51:19]

And could we just return 0 here and below if not supported (pre-JB MR1)?

+    height = GetDisplayHeight();
+  return height;
+}
+
+int DeviceDisplayInfo::GetRealDisplayWidth(bool& supported) {
+  int width = SharedDeviceDisplayInfo::GetInstance()->GetRealDisplayWidth();
+  if (!(supported = width > 0))
+    width = GetDisplayWidth();
+  return width;
+}
+
 int DeviceDisplayInfo::GetBitsPerPixel() {
   return SharedDeviceDisplayInfo::GetInstance()->GetBitsPerPixel();
 }