Fixed some issues from the review.

Author: hzr

src/profiler/profiler_templates.js

@@ -86,13 +86,13 @@ var ProfilerTemplates = function()
   var profiler_event_small_decl = style_sheets.getDeclaration(".profiler-event-small");
   var profiler_timeline_row_decl = style_sheets.getDeclaration(".profiler-timeline-row");
   var EVENT_MIN_WIDTH = profiler_event_decl ? parseInt(profiler_event_decl.minWidth) : 1;
-  var EVENT_SMALL_MIN_WIDTH = profiler_event_decl ? parseInt(profiler_event_small_decl.minWidth) : 1;
+  var EVENT_SMALL_MIN_WIDTH = profiler_event_small_decl ? parseInt(profiler_event_small_decl.minWidth) : 1;
   var EVENT_HEIGHT = profiler_timeline_row_decl
-                   ? (parseInt(style_sheets.getDeclaration(".profiler-timeline-row").height) +
-                      parseInt(style_sheets.getDeclaration(".profiler-timeline-row").paddingTop) +
-                      parseInt(style_sheets.getDeclaration(".profiler-timeline-row").paddingBottom))
+                   ? (parseInt(profiler_timeline_row_decl.height) +
+                      parseInt(profiler_timeline_row_decl.paddingTop) +
+                      parseInt(profiler_timeline_row_decl.paddingBottom))
                    : 1;
-  var EVENT_SMALL_HEIGHT = profiler_event_decl ? parseInt(profiler_event_small_decl.height) : 1;
+  var EVENT_SMALL_HEIGHT = profiler_event_small_decl ? parseInt(profiler_event_small_decl.height) : 1;
 
   var MIN_DURATION = ProfilerView.MIN_DURATION;
 
@@ -335,7 +335,7 @@ var ProfilerTemplates = function()
                  "class", "profiler-event-tooltip-label"
                 ],
                 this.format_time(event.interval.start) +
-                " (rel: " + this.format_time(event.interval.start - range_start) + ")"
+                " (Δ: " + this.format_time(event.interval.start - range_start) + ")"
              ],
              ["li",
                 ["span",

src/profiler/profiler_view.js

@@ -315,7 +315,6 @@ var ProfilerView = function(id, name, container_class, html, default_handler)
         if (item.type == type)
         {
           item.time += event.time;
-          continue;
         }
       }
     });
@@ -378,7 +377,7 @@ var ProfilerView = function(id, name, container_class, html, default_handler)
   {
     if (!this._has_overlay_service)
       return;
-    var id = Number(target.get_ancestor_attr("data-event-id"));
+    var id = Number(event.target.get_ancestor_attr("data-event-id"));
     var timeline_event = this._timeline_list.get_event_by_id(id);
     if (timeline_event)
     {
@@ -408,7 +407,7 @@ var ProfilerView = function(id, name, container_class, html, default_handler)
   {
     if (!this._has_overlay_service)
       return;
-    var id = Number(target.get_attr("parent-node-chain", "data-event-id"));
+    var id = Number(event.target.get_attr("parent-node-chain", "data-event-id"));
     var timeline_event = this._timeline_list.get_event_by_id(id);
     if (timeline_event)
     {

src/ui-scripts/zoomer/zoomer.js

@@ -476,6 +476,8 @@ var ZoomerPrototype = function()
    */
   this.set_zoomer_element = function(ele)
   {
+    if (!ele)
+      throw "The first argument to set_zoom_element has to be an element.";
     this._zoomer_ele = ele;
     this._set_up_zoomer_ele();
     this._set_up_overlay_ele();