Merge pull request #1728 from HansMuller/kStatusBarHeight

removed kStatusBarHeight constant

packages/flutter/lib/src/material/constants.dart

@@ -4,9 +4,6 @@
 
 import 'package:flutter/widgets.dart';
 
-// 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

packages/flutter/lib/src/material/drawer_header.dart

@@ -18,8 +18,9 @@ class DrawerHeader extends StatelessComponent {
 
   Widget build(BuildContext context) {
     assert(debugCheckHasMaterial(context));
+    final double statusBarHeight = (MediaQuery.of(context)?.padding ?? EdgeDims.zero).top;
     return new Container(
-      height: kStatusBarHeight + kMaterialDrawerHeight,
+      height: statusBarHeight + kMaterialDrawerHeight,
       decoration: new BoxDecoration(
         backgroundColor: Theme.of(context).cardColor,
         border: const Border(