Use package:sky imports consistently

sky/sdk/lib/editing/input.dart

 // Copyright 2015 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.
 
-import '../painting/text_style.dart';
-import '../widgets/basic.dart';
-import '../widgets/theme.dart';
-import 'editable_string.dart';
-import 'editable_text.dart';
-import 'keyboard.dart';
+import 'package:sky/editing/editable_string.dart';
+import 'package:sky/editing/editable_text.dart';
+import 'package:sky/mojo/keyboard.dart';
+import 'package:sky/painting/text_style.dart';
+import 'package:sky/widgets/basic.dart';
+import 'package:sky/widgets/theme.dart';
 
 typedef void ValueChanged(value);
 
 const double _kHintOpacity = 0.26;
 const EdgeDims _kTextfieldPadding = const EdgeDims.symmetric(vertical: 8.0);
 
 class Input extends StatefulComponent {
 
   Input({String key,
          this.placeholder,
@@ skipping 52 matching lines @@
 
     ThemeData themeData = Theme.of(this);
     Color focusHighlightColor = themeData.accentColor;
     Color cursorColor = themeData.accentColor;
     if (themeData.primarySwatch != null) {
       cursorColor = Theme.of(this).primarySwatch[200];
       focusHighlightColor = focused ? themeData.primarySwatch[400] : themeData.primarySwatch[200];
     }
 
     textChildren.add(new EditableText(
-      value: _editableValue, 
+      value: _editableValue,
       focused: focused,
       style: textStyle,
       cursorColor: cursorColor
     ));
 
     Border focusHighlight = new Border(bottom: new BorderSide(
       color: focusHighlightColor,
       width: focused ? 2.0 : 1.0
     ));
 
     Container input = new Container(
       child: new Stack(textChildren),
       padding: _kTextfieldPadding,
       decoration: new BoxDecoration(border: focusHighlight)
     );
 
     return new Listener(
       child: input,
       onPointerDown: (_) => keyboard.showByRequest()
     );
   }
 
   void didUnmount() {
     if (_isAttachedToKeyboard)
       keyboard.hide();
     super.didUnmount();
   }
 }