Fix the xrange calculation of the V8 timeline plot

tools/plot-timer-events.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 258 matching lines @@
 
 
 function FindPlotRange() {
   var start_found = (xrange_start_override || xrange_start_override == 0);
   var end_found = (xrange_end_override || xrange_end_override == 0);
   xrange_start = start_found ? xrange_start_override : Infinity;
   xrange_end = end_found ? xrange_end_override : -Infinity;
 
   if (start_found && end_found) return;
 
-  var execution_ranges = kExecutionEvent.ranges;
-  for (var i = 0; i < execution_ranges.length; i++) {
-    if (execution_ranges[i].start < xrange_start && !start_found) {
-      xrange_start = execution_ranges[i].start;
-    }
-    if (execution_ranges[i].end > xrange_end && !end_found) {
-      xrange_end = execution_ranges[i].end;
+  for (name in TimerEvents) {
+    var ranges = TimerEvents[name].ranges;
+    for (var i = 0; i < ranges.length; i++) {
+      if (ranges[i].start < xrange_start && !start_found) {
+        xrange_start = ranges[i].start;
+      }
+      if (ranges[i].end > xrange_end && !end_found) {
+        xrange_end = ranges[i].end;
+      }
     }
   }
 
   for (codekind in CodeKinds) {
     var ticks = CodeKinds[codekind].in_execution;
     for (var i = 0; i < ticks.length; i++) {
       if (ticks[i].tick < xrange_start && !start_found) {
         xrange_start = ticks[i].tick;
       }
       if (ticks[i].tick > xrange_end && !end_found) {
@@ skipping 290 matching lines @@
   for (var i = 0; i < execution_pauses.length; i++) {
     var pause = execution_pauses[i];
     print(pause.end + " " + pause.duration());
   }
   print("e");
 }
 
 
 CollectData();
 GnuplotOutput();