Add TODOs about components needing to adjust to screen size changes.

sky/sdk/lib/framework/theme2/view_configuration.dart

Index: sky/sdk/lib/framework/theme2/view_configuration.dart
diff --git a/sky/sdk/lib/framework/theme2/view_configuration.dart b/sky/sdk/lib/framework/theme2/view_configuration.dart
index e760f495cf5e7d711db7b2275fb1559865e13b2c..b31a5383869721c5b700e42b9a5add3d1e9d5911 100644
--- a/sky/sdk/lib/framework/theme2/view_configuration.dart
+++ b/sky/sdk/lib/framework/theme2/view_configuration.dart
@@ -8,7 +8,14 @@
 const double kNotificationAreaHeight = 25.0;
 // TODO(ianh): Figure out actual specced height for status bar
 const double kStatusBarHeight = 50.0;
+
+// TODO(eseidel) Toolbar needs to change size based on orientation:
+// http://www.google.com/design/spec/layout/structure.html#structure-app-bar
+// Mobile Landscape: 48dp
+// Mobile Portrait: 56dp
+// Tablet/Desktop: 64dp
 const double kToolBarHeight = 56.0;
+
 const double kMaterialDrawerHeight = 140.0;
 const double kScrollbarSize = 10.0;
 const double kScrollbarFadeDuration = 250.0;