Cleanup events related to material splashes

sky/framework/components/ink_splash.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 '../animation/curves.dart';
 import '../animation/generators.dart';
 import '../fn.dart';
 import 'dart:async';
 import 'dart:sky' as sky;
 
@@ skipping 27 matching lines @@
       left: ${_offsetX - p/2}px;
       width: ${p}px;
       height: ${p}px;
       border-radius: ${p}px;
       opacity: ${1.0 - (p / _kSplashSize)};
     ''');
   }
 }
 
 class InkSplash extends Component {
-  static final Style _style = new Style('''
+  static final Style _clipperStyle = new Style('''
     position: absolute;
     pointer-events: none;
     overflow: hidden;
     top: 0;
     left: 0;
     bottom: 0;
-    right: 0;
-  ''');
+    right: 0;''');
 
   static final Style _splashStyle = new Style('''
     position: absolute;
-    background-color: rgba(0, 0, 0, 0.4);
-    border-radius: 0;
-    top: 0;
-    left: 0;
-    height: 0;
-    width: 0;
-  ''');
+    background-color: rgba(0, 0, 0, 0.4);''');
 
   Stream<String> onStyleChanged;
 
   double _offsetX;
   double _offsetY;
   String _inlineStyle;
 
   InkSplash(Stream<String> onStyleChanged)
     : onStyleChanged = onStyleChanged,
       super(stateful: true, key: onStyleChanged.hashCode);
@@ skipping 10 matching lines @@
       setState(() {
         _inlineStyle = style;
       });
     });
   }
 
   Node build() {
     _ensureListening();
 
     return new Container(
-      style: _style,
+      style: _clipperStyle,
       children: [
         new Container(
           inlineStyle: _inlineStyle,
           style: _splashStyle
         )
       ]
     );
   }
 }