Redo LocationManager to use HTML5 History API

runtime/bin/vmservice/client/lib/src/elements/breakpoint_list.html

Index: runtime/bin/vmservice/client/lib/src/elements/breakpoint_list.html
diff --git a/runtime/bin/vmservice/client/lib/src/elements/breakpoint_list.html b/runtime/bin/vmservice/client/lib/src/elements/breakpoint_list.html
index 564dad490b63c2d41c8eb3de8dacf8238ebf87a8..558df1912191c95a6789e0aeab6ce673c4cb9862 100644
--- a/runtime/bin/vmservice/client/lib/src/elements/breakpoint_list.html
+++ b/runtime/bin/vmservice/client/lib/src/elements/breakpoint_list.html
@@ -8,8 +8,9 @@
     <nav-bar>
       <top-nav-menu></top-nav-menu>
       <isolate-nav-menu isolate="{{ msg.isolate }}"></isolate-nav-menu>
-      <nav-menu link="{{ msg.isolate.relativeHashLink('debug/breakpoints') }}" anchor="breakpoints" last="{{ true }}"></nav-menu>
+      <nav-menu link="{{ gotoLink(msg.isolate.relativeLink('debug/breakpoints')) }}" anchor="breakpoints" last="{{ true }}"></nav-menu>
       <nav-refresh callback="{{ refresh }}"></nav-refresh>
+      <nav-control></nav-control>
     </nav-bar>
     <template if="{{ msg['breakpoints'].isEmpty }}">
       <div>