Renamed contains in the rectangle class to containsRectangle.

tools/dom/templates/html/impl/impl_ClientRect.darttemplate

 // Copyright (c) 2013, 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.
 
 part of $LIBRARYNAME;
 
 @DocsEditable()
 $(ANNOTATIONS)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS implements Rectangle$IMPLEMENTS$NATIVESPEC {
 
   // NOTE! All code below should be common with RectangleBase.
@@ skipping 54 matching lines @@
 
     var left = min(this.left, other.left);
     var top = min(this.top, other.top);
 
     return new Rectangle(left, top, right - left, bottom - top);
   }
 
   /**
    * Tests whether `this` entirely contains [another].
    */
-  bool contains(Rectangle<num> another) {
+  bool containsRectangle(Rectangle<num> another) {
     return left <= another.left &&
            left + width >= another.left + another.width &&
            top <= another.top &&
            top + height >= another.top + another.height;
   }
 
   /**
    * Tests whether [another] is inside or along the edges of `this`.
    */
   bool containsPoint(Point<num> another) {
@@ skipping 41 matching lines @@
     hash = 0x1fffffff & (hash + ((0x03ffffff & hash) <<  3));
     hash = hash ^ (hash >> 11);
     return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
   }
 
   static int hash2(a, b) => finish(combine(combine(0, a), b));
 
   static int hash4(a, b, c, d) =>
       finish(combine(combine(combine(combine(0, a), b), c), d));
 }