Move Rectangle and Point into dart:math.

sdk/lib/math/jenkins_smi_hash.dart

Index: sdk/lib/math/jenkins_smi_hash.dart
diff --git a/sdk/lib/html/html_common/jenkins_smi_hash.dart b/sdk/lib/math/jenkins_smi_hash.dart
similarity index 90%
rename from sdk/lib/html/html_common/jenkins_smi_hash.dart
rename to sdk/lib/math/jenkins_smi_hash.dart
index 7938e5036fd1da5d70d61b7d81d93020d899d407..8a0056eac9fa5c7e880bf029cfecab9ee8da55df 100644
--- a/sdk/lib/html/html_common/jenkins_smi_hash.dart
+++ b/sdk/lib/math/jenkins_smi_hash.dart
@@ -1,8 +1,7 @@
 // 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 html_common;
+part of dart.math;
 
 /**
  * This is the [Jenkins hash function][1] but using masking to keep
@@ -20,8 +19,8 @@ part of html_common;
  *     }
  *     hash = JenkinsSmiHash.finish(hash);
  */
-class JenkinsSmiHash {
-  // TODO: Bug 11617- This class should be optimized and standardized elsewhere.
+class _JenkinsSmiHash {
+  // TODO(11617): This class should be optimized and standardized elsewhere.
 
   static int combine(int hash, int value) {
     hash = 0x1fffffff & (hash + value);