[tracing] Move math utilities from base into their own subdirectory (attempt 2)

tracing/tracing/model/helpers/android_surface_flinger.html

Index: tracing/tracing/model/helpers/android_surface_flinger.html
diff --git a/tracing/tracing/model/helpers/android_surface_flinger.html b/tracing/tracing/model/helpers/android_surface_flinger.html
index 1acf86997e65fd7c985e71be372f96cadda4395c..41f9fc791456641d074bd27a3640213f26835a09 100644
--- a/tracing/tracing/model/helpers/android_surface_flinger.html
+++ b/tracing/tracing/model/helpers/android_surface_flinger.html
@@ -5,7 +5,7 @@ Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 -->
 
-<link rel="import" href="/tracing/base/sorted_array_utils.html">
+<link rel="import" href="/tracing/base/math/sorted_array_utils.html">
 
 <script>
 'use strict';
@@ -14,7 +14,7 @@ found in the LICENSE file.
  * @fileoverview Class for representing SurfaceFlinger process and its Vsyncs.
  */
 tr.exportTo('tr.model.helpers', function() {
-  var findLowIndexInSortedArray = tr.b.findLowIndexInSortedArray;
+  var findLowIndexInSortedArray = tr.b.math.findLowIndexInSortedArray;
 
   var VSYNC_SF_NAME = 'android.VSYNC-sf';
   var VSYNC_APP_NAME = 'android.VSYNC-app';