Fix some warnings.

lib/dom/frog/dom_frog.dart

 #library('dom');
 
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // DO NOT EDIT
 // Auto-generated Dart DOM library.
 
 
@@ skipping 593 matching lines @@
   }
 
   int indexOf(int element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(int element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   int last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<int> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [int initialValue]) {
+  void insertRange(int start, int rangeLength, [int initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<int> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <int>[]);
+  List<int> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <int>[]);
 
   // -- end List<int> mixins.
 }
 
 class _CanvasRenderingContextJs extends _DOMTypeJs implements CanvasRenderingContext native "*CanvasRenderingContext" {
 
   final _HTMLCanvasElementJs canvas;
 }
 
 class _CanvasRenderingContext2DJs extends _CanvasRenderingContextJs implements CanvasRenderingContext2D native "*CanvasRenderingContext2D" {
@@ skipping 1746 matching lines @@
   }
 
   int indexOf(num element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(num element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   num last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<num> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<num> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [num initialValue]) {
+  void insertRange(int start, int rangeLength, [num initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<num> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <num>[]);
+  List<num> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <num>[]);
 
   // -- end List<num> mixins.
 
   void setElements(Object array, [int offset = null]) native '''
 if (offset == null) return this.set(array);
 return this.set(array, offset);''';
 
   _Float32ArrayJs subarray(int start, [int end = null]) native;
 }
 
@@ skipping 60 matching lines @@
   }
 
   int indexOf(num element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(num element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   num last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<num> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<num> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [num initialValue]) {
+  void insertRange(int start, int rangeLength, [num initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<num> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <num>[]);
+  List<num> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <num>[]);
 
   // -- end List<num> mixins.
 
   void setElements(Object array, [int offset = null]) native '''
 if (offset == null) return this.set(array);
 return this.set(array, offset);''';
 
   _Float64ArrayJs subarray(int start, [int end = null]) native;
 }
 
@@ skipping 269 matching lines @@
   }
 
   int indexOf(Node element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(Node element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   Node last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<Node> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<Node> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [Node initialValue]) {
+  void insertRange(int start, int rangeLength, [Node initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<Node> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <Node>[]);
+  List<Node> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <Node>[]);
 
   // -- end List<Node> mixins.
 
   _NodeJs item(int index) native;
 
   _NodeJs namedItem(String name) native;
 }
 
 class _HTMLContentElementJs extends _HTMLElementJs implements HTMLContentElement native "*HTMLContentElement" {
 
@@ skipping 1623 matching lines @@
   }
 
   int indexOf(int element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(int element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   int last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<int> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [int initialValue]) {
+  void insertRange(int start, int rangeLength, [int initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<int> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <int>[]);
+  List<int> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <int>[]);
 
   // -- end List<int> mixins.
 
   void setElements(Object array, [int offset = null]) native '''
 if (offset == null) return this.set(array);
 return this.set(array, offset);''';
 
   _Int16ArrayJs subarray(int start, [int end = null]) native;
 }
 
@@ skipping 60 matching lines @@
   }
 
   int indexOf(int element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(int element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   int last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<int> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [int initialValue]) {
+  void insertRange(int start, int rangeLength, [int initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<int> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <int>[]);
+  List<int> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <int>[]);
 
   // -- end List<int> mixins.
 
   void setElements(Object array, [int offset = null]) native '''
 if (offset == null) return this.set(array);
 return this.set(array, offset);''';
 
   _Int32ArrayJs subarray(int start, [int end = null]) native;
 }
 
@@ skipping 60 matching lines @@
   }
 
   int indexOf(int element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(int element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   int last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<int> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [int initialValue]) {
+  void insertRange(int start, int rangeLength, [int initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<int> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <int>[]);
+  List<int> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <int>[]);
 
   // -- end List<int> mixins.
 
   void setElements(Object array, [int offset = null]) native '''
 if (offset == null) return this.set(array);
 return this.set(array, offset);''';
 
   _Int8ArrayJs subarray(int start, [int end = null]) native;
 }
 
@@ skipping 205 matching lines @@
   }
 
   int indexOf(String element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(String element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   String last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<String> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<String> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [String initialValue]) {
+  void insertRange(int start, int rangeLength, [String initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<String> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <String>[]);
+  List<String> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <String>[]);
 
   // -- end List<String> mixins.
 
   void appendMedium(String newMedium) native;
 
   void deleteMedium(String oldMedium) native;
 
   String item(int index) native;
 }
 
@@ skipping 236 matching lines @@
   }
 
   int indexOf(Node element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(Node element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   Node last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<Node> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<Node> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [Node initialValue]) {
+  void insertRange(int start, int rangeLength, [Node initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<Node> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <Node>[]);
+  List<Node> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <Node>[]);
 
   // -- end List<Node> mixins.
 
   _NodeJs getNamedItem(String name) native;
 
   _NodeJs getNamedItemNS(String namespaceURI, String localName) native;
 
   _NodeJs item(int index) native;
 
   _NodeJs removeNamedItem(String name) native;
@@ skipping 277 matching lines @@
   }
 
   int indexOf(Node element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(Node element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   Node last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<Node> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<Node> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [Node initialValue]) {
+  void insertRange(int start, int rangeLength, [Node initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<Node> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <Node>[]);
+  List<Node> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <Node>[]);
 
   // -- end List<Node> mixins.
 
   _NodeJs item(int index) native;
 }
 
 class _NodeSelectorJs extends _DOMTypeJs implements NodeSelector native "*NodeSelector" {
 
   _ElementJs querySelector(String selectors) native;
 
@@ skipping 4135 matching lines @@
   }
 
   int indexOf(StyleSheet element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(StyleSheet element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   StyleSheet last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<StyleSheet> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<StyleSheet> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [StyleSheet initialValue]) {
+  void insertRange(int start, int rangeLength, [StyleSheet initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<StyleSheet> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <StyleSheet>[]);
+  List<StyleSheet> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <StyleSheet>[]);
 
   // -- end List<StyleSheet> mixins.
 
   _StyleSheetJs item(int index) native;
 }
 
 class _TextJs extends _CharacterDataJs implements Text native "*Text" {
 
   final String wholeText;
 
@@ skipping 220 matching lines @@
   }
 
   int indexOf(Touch element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(Touch element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   Touch last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<Touch> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<Touch> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [Touch initialValue]) {
+  void insertRange(int start, int rangeLength, [Touch initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<Touch> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <Touch>[]);
+  List<Touch> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <Touch>[]);
 
   // -- end List<Touch> mixins.
 
   _TouchJs item(int index) native;
 }
 
 class _TrackEventJs extends _EventJs implements TrackEvent native "*TrackEvent" {
 
   final Object track;
 }
@@ skipping 111 matching lines @@
   }
 
   int indexOf(int element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(int element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   int last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<int> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [int initialValue]) {
+  void insertRange(int start, int rangeLength, [int initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<int> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <int>[]);
+  List<int> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <int>[]);
 
   // -- end List<int> mixins.
 
   void setElements(Object array, [int offset = null]) native '''
 if (offset == null) return this.set(array);
 return this.set(array, offset);''';
 
   _Uint16ArrayJs subarray(int start, [int end = null]) native;
 }
 
@@ skipping 60 matching lines @@
   }
 
   int indexOf(int element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(int element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   int last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<int> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [int initialValue]) {
+  void insertRange(int start, int rangeLength, [int initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<int> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <int>[]);
+  List<int> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <int>[]);
 
   // -- end List<int> mixins.
 
   void setElements(Object array, [int offset = null]) native '''
 if (offset == null) return this.set(array);
 return this.set(array, offset);''';
 
   _Uint32ArrayJs subarray(int start, [int end = null]) native;
 }
 
@@ skipping 60 matching lines @@
   }
 
   int indexOf(int element, [int start = 0]) =>
       _Lists.indexOf(this, element, start, this.length);
 
   int lastIndexOf(int element, [int start = 0]) =>
       _Lists.lastIndexOf(this, element, start);
 
   int last() => this[length - 1];
 
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<int> from, [int startFrom]) {
+  // FIXME: implement these.
+  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
     throw new UnsupportedOperationException("Cannot setRange on immutable List.");
   }
-  void removeRange(int start, int length) {
+  void removeRange(int start, int rangeLength) {
     throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
   }
-  void insertRange(int start, int length, [int initialValue]) {
+  void insertRange(int start, int rangeLength, [int initialValue]) {
     throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
   }
-  List<int> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <int>[]);
+  List<int> getRange(int start, int rangeLength) =>
+      _Lists.getRange(this, start, rangeLength, <int>[]);
 
   // -- end List<int> mixins.
 
   void setElements(Object array, [int offset = null]) native '''
 if (offset == null) return this.set(array);
 return this.set(array, offset);''';
 
   _Uint8ArrayJs subarray(int start, [int end = null]) native;
 }
 
@@ skipping 14594 matching lines @@
     if (length < 0) throw new IllegalArgumentException('length');
     if (start < 0) throw new IndexOutOfRangeException(start);
     int end = start + length;
     if (end > a.length) throw new IndexOutOfRangeException(end);
     for (int i = start; i < end; i++) {
       accumulator.add(a[i]);
     }
     return accumulator;
   }
 }