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

tracing/tracing/ui/analysis/memory_dump_allocator_details_pane.html

Index: tracing/tracing/ui/analysis/memory_dump_allocator_details_pane.html
diff --git a/tracing/tracing/ui/analysis/memory_dump_allocator_details_pane.html b/tracing/tracing/ui/analysis/memory_dump_allocator_details_pane.html
index 3dc9a18bc6e4e6c0cc5ffcbdd24f7e09449a67b7..a208266add7ba1860a14dee881738e068009ee8f 100644
--- a/tracing/tracing/ui/analysis/memory_dump_allocator_details_pane.html
+++ b/tracing/tracing/ui/analysis/memory_dump_allocator_details_pane.html
@@ -6,7 +6,7 @@ found in the LICENSE file.
 -->
 
 <link rel="import" href="/tracing/base/iteration_helpers.html">
-<link rel="import" href="/tracing/base/range.html">
+<link rel="import" href="/tracing/base/math/range.html">
 <link rel="import" href="/tracing/base/unit.html">
 <link rel="import" href="/tracing/model/memory_allocator_dump.html">
 <link rel="import" href="/tracing/ui/analysis/memory_dump_heap_details_pane.html">
@@ -349,7 +349,7 @@ tr.exportTo('tr.ui.analysis', function() {
         map, dump, link, opt_withSharerNameToEntry) {
       var entry = getAndUpdateEntry(map, dump.quantifiedName,
           function(newEntry) {
-            newEntry.importanceRange = new tr.b.Range();
+            newEntry.importanceRange = new tr.b.math.Range();
             if (opt_withSharerNameToEntry)
               newEntry.sharerNameToEntry = new Map();
           });