Renamed contains in the rectangle class to containsRectangle.

sdk/lib/math/rectangle.dart

 // 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 dart.math;
 
 /**
  * A base class for representing two-dimensional axis-aligned rectangles.
  */
 abstract class _RectangleBase<T extends num> {
   const _RectangleBase();
@@ skipping 69 matching lines @@
 
     var left = min(this.left, other.left);
     var top = min(this.top, other.top);
 
     return new Rectangle<T>(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 47 matching lines @@
   MutableRectangle(this.left, this.top, this.width, this.height);
 
   factory MutableRectangle.fromPoints(Point<T> a, Point<T> b) {
     T left = min(a.x, b.x);
     T width = max(a.x, b.x) - left;
     T top = min(a.y, b.y);
     T height = max(a.y, b.y) - top;
     return new MutableRectangle<T>(left, top, width, height);
   }
 }