Revert revision 33053

third_party/pkg/angular/lib/directive/ng_src_boolean.dart

Index: third_party/pkg/angular/lib/directive/ng_src_boolean.dart
===================================================================
--- third_party/pkg/angular/lib/directive/ng_src_boolean.dart	(revision 33054)
+++ third_party/pkg/angular/lib/directive/ng_src_boolean.dart	(working copy)
@@ -30,7 +30,7 @@
 @NgDirective(selector: '[ng-required]', map: const {'ng-required': '=>required'})
 @NgDirective(selector: '[ng-selected]', map: const {'ng-selected': '=>selected'})
 class NgBooleanAttributeDirective {
-  final NodeAttrs attrs;
+  NodeAttrs attrs;
   NgBooleanAttributeDirective(this.attrs);
 
   _setBooleanAttribute(name, value) => attrs[name] = (toBool(value) ? '' : null);
@@ -65,7 +65,7 @@
 @NgDirective(selector: '[ng-src]',    map: const {'ng-src':    '@src'})
 @NgDirective(selector: '[ng-srcset]', map: const {'ng-srcset': '@srcset'})
 class NgSourceDirective {
-  final NodeAttrs attrs;
+  NodeAttrs attrs;
   NgSourceDirective(this.attrs);
 
   set href(value)   => attrs['href']   = value;
@@ -75,31 +75,29 @@
 }
 
 /**
- * In SVG some attributes have a specific syntax. Placing `{{interpolation}}` in
- * those attributes will break the attribute syntax, and browser will clear the
- * attribute.
+ * In SVG some attributes have a specific syntax. Placing `{{interpolation}}` in those
+ * attributes will break the attribute syntax, and browser will clear the attribute.
  *
- * The `ng-attr-*` is a generic way to use interpolation without breaking the
- * attribute syntax validator. The `ng-attr-` part get stripped.
+ * The `ng-attr-*` is a generic way to use interpolation without breaking the attribute
+ * syntax validator. The `ng-attr-` part get stripped.
  *
  * @example
- *     <svg>
- *       <circle ng-attr-cx="{{cx}}"></circle>
- *     </svg>
+       <svg>
+         <circle ng-attr-cx="{{cx}}"></circle>
+       </svg>
  */
 @NgDirective(selector: '[ng-attr-*]')
 class NgAttributeDirective implements NgAttachAware {
-  final NodeAttrs _attrs;
+  NodeAttrs _attrs;
 
-  NgAttributeDirective(this._attrs);
+  NgAttributeDirective(NodeAttrs this._attrs);
 
   void attach() {
-    String ngAttrPrefix = 'ng-attr-';
     _attrs.forEach((key, value) {
-      if (key.startsWith(ngAttrPrefix)) {
-        var newKey = key.substring(ngAttrPrefix.length);
+      if (key.startsWith('ngAttr')) {
+        String newKey = snakecase(key.substring(6));
         _attrs[newKey] = value;
-        _attrs.observe(key, (newValue) => _attrs[newKey] = newValue );
+        _attrs.observe(snakecase(key), (newValue) => _attrs[newKey] = newValue );
       }
     });
   }