DevTools: Use live location for line level profile presentation.

third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js

Index: third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js b/third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js
index d7082c7a65caff5622eeda394ccb67eff8f3cc8c..1c4b2dc0d7d0db8d227c8a4624239982470a6096 100644
--- a/third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js
+++ b/third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js
@@ -1268,16 +1268,33 @@ WebInspector.TimelinePanel.prototype = {
      */
     _setLineLevelCPUProfile: function(profile)
     {
+        var debuggerModel = WebInspector.DebuggerModel.fromTarget(WebInspector.targetManager.mainTarget());
+        if (!debuggerModel)
+            return;
         for (var fileInfo of profile.files()) {
-            var uiSourceCode = WebInspector.workspace.uiSourceCodeForURL(/** @type {string} */ (fileInfo[0]));
-            if (!uiSourceCode)
-                continue;
+            var url = /** @type {string} */ (fileInfo[0]);
+            var uiSourceCode = WebInspector.workspace.uiSourceCodeForURL(url);
             for (var lineInfo of fileInfo[1]) {
                 var line = lineInfo[0];
                 var time = lineInfo[1];
-                uiSourceCode.addLineDecoration(line, WebInspector.TimelineUIUtils.PerformanceLineDecorator.type, time);
+                var rawLocation = debuggerModel.createRawLocationByURL(url, line - 1, 0);
+                if (rawLocation)
+                    WebInspector.debuggerWorkspaceBinding.createLiveLocation(rawLocation, updateLocation.bind(null, time));
+                else if (uiSourceCode)
+                    uiSourceCode.addLineDecoration(line, WebInspector.TimelineUIUtils.PerformanceLineDecorator.type, time);
             }
         }
+
+        /**
+         * @param {number} time
+         * @param {!WebInspector.LiveLocation} liveLocation
+         */
+        function updateLocation(time, liveLocation)
+        {
+            var uiLocation = liveLocation.uiLocation();

[pfeldman, 2016/03/17 01:20:58]

remove them from the old one?

[alph, 2016/03/22 21:41:54]

Done.

+            if (uiLocation)
+                uiLocation.uiSourceCode.addLineDecoration(uiLocation.lineNumber, WebInspector.TimelineUIUtils.PerformanceLineDecorator.type, time);
+        }
     },
 
     _resetLineLevelCPUProfile: function()