DevTools: add measurement units to profile tree headers.

third_party/WebKit/Source/devtools/front_end/profiler/ProfileView.js

Index: third_party/WebKit/Source/devtools/front_end/profiler/ProfileView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/profiler/ProfileView.js b/third_party/WebKit/Source/devtools/front_end/profiler/ProfileView.js
index defd13197937ad2fbacd05127974e09b29306ded..1ef6f3503f5d28965967f3a77a8cfe0b55e3cd6b 100644
--- a/third_party/WebKit/Source/devtools/front_end/profiler/ProfileView.js
+++ b/third_party/WebKit/Source/devtools/front_end/profiler/ProfileView.js
@@ -26,8 +26,8 @@ WebInspector.ProfileView = function(nodeFormatter, viewTypes)
     this._nodeFormatter = nodeFormatter;
 
     var columns = [];
-    columns.push({id: "self", title: WebInspector.UIString("Self"), width: "120px", sort: WebInspector.DataGrid.Order.Descending, sortable: true});
-    columns.push({id: "total", title: WebInspector.UIString("Total"), width: "120px", sortable: true});
+    columns.push({id: "self", title: this.columnHeader("self"), width: "120px", sort: WebInspector.DataGrid.Order.Descending, sortable: true});
+    columns.push({id: "total", title: this.columnHeader("total"), width: "120px", sortable: true});
     columns.push({id: "function", title: WebInspector.UIString("Function"), disclosure: true, sortable: true});
 
     this.dataGrid = new WebInspector.DataGrid(columns);
@@ -82,6 +82,15 @@ WebInspector.ProfileView.prototype = {
     },
 
     /**
+     * @param {string} columnId
+     * @return {string}
+     */
+    columnHeader: function(columnId)
+    {
+        throw "Not implemented";
+    },
+
+    /**
      * @return {?WebInspector.Target}
      */
     target: function()