Tons of timeline tweaks

chrome/browser/resources/tracing/timeline_view.js

Index: chrome/browser/resources/tracing/timeline_view.js
diff --git a/chrome/browser/resources/tracing/timeline_view.js b/chrome/browser/resources/tracing/timeline_view.js
index 107ba4863094b83c2a498321af9ad80ee40c0ec7..861f79bdf8878824fa7f34c0d358624810e80673 100644
--- a/chrome/browser/resources/tracing/timeline_view.js
+++ b/chrome/browser/resources/tracing/timeline_view.js
@@ -64,7 +64,6 @@ cr.define('tracing', function() {
     },
 
     set traceEvents(traceEvents) {
-      console.log('TimelineView.refresh');
       this.timelineModel_ = new tracing.TimelineModel(traceEvents);
 
       // remove old timeline
@@ -72,10 +71,11 @@ cr.define('tracing', function() {
 
       // create new timeline if needed
       if (traceEvents.length) {
+        if (this.timeline_)
+          this.timeline_.detach();
         this.timeline_ = new tracing.Timeline();
         this.timeline_.model = this.timelineModel_;
         this.timelineContainer_.appendChild(this.timeline_);
-        this.timeline_.onResize();
         this.timeline_.addEventListener('selectionChange',
                                         this.onSelectionChangedBoundToThis_);
         this.onSelectionChanged_();
@@ -85,7 +85,6 @@ cr.define('tracing', function() {
     },
 
     onSelectionChanged_: function(e) {
-      console.log('selection changed');
       var timeline = this.timeline_;
       var selection = timeline.selection;
       if (!selection.length) {