Continue recording object allocation after navigation

Source/devtools/front_end/HeapSnapshotView.js

Index: Source/devtools/front_end/HeapSnapshotView.js
diff --git a/Source/devtools/front_end/HeapSnapshotView.js b/Source/devtools/front_end/HeapSnapshotView.js
index e05a9caabf2b7c94bfda81a8d704d2ec3a73223e..559a82506a8e44a6597d698376b47dd923aa308d 100644
--- a/Source/devtools/front_end/HeapSnapshotView.js
+++ b/Source/devtools/front_end/HeapSnapshotView.js
@@ -980,7 +980,10 @@ WebInspector.TrackingHeapSnapshotProfileType.prototype = {
         return this._toggleRecording();
     },
 
-    _startRecordingProfile: function()
+    /**
+     * @param {boolean=} continueAfterNavigation
+     */
+    _startRecordingProfile: function(continueAfterNavigation)

[loislo, 2014/02/19 13:06:19]

could you please extract the common part into a separate method _initProfileData
and use it from _reset method.

[yurys, 2014/02/19 13:34:37]

Done.

     {
         if (this.profileBeingRecorded())
             return;
@@ -997,7 +1000,8 @@ WebInspector.TrackingHeapSnapshotProfileType.prototype = {
         this._recording = true;
         this.addProfile(this._profileBeingRecorded);
         this._profileBeingRecorded.updateStatus(WebInspector.UIString("Recording\u2026"));
-        HeapProfilerAgent.startTrackingHeapObjects(WebInspector.experimentsSettings.allocationProfiler.isEnabled());
+        if (!continueAfterNavigation)
+            HeapProfilerAgent.startTrackingHeapObjects(WebInspector.experimentsSettings.allocationProfiler.isEnabled());
         this.dispatchEventToListeners(WebInspector.TrackingHeapSnapshotProfileType.TrackingStarted);
     },
 
@@ -1045,11 +1049,14 @@ WebInspector.TrackingHeapSnapshotProfileType.prototype = {
 
     _reset: function()
     {
+        var wasRecording = this._recording;
+        // Clear current profile to avoid stoppting backend.

[loislo, 2014/02/19 13:06:19]

stoppting?

[yurys, 2014/02/19 13:34:37]

Done.

[yurys, 2014/02/19 13:34:37]

Done.

+        this._profileBeingRecorded = null;
         WebInspector.HeapSnapshotProfileType.prototype._reset.call(this);
-        if (this._recording)
-            this._stopRecordingProfile();
         this._profileSamples = null;
         this._lastSeenIndex = -1;
+        if (wasRecording)
+            this._startRecordingProfile(true);
     },
 
     /**
@@ -1137,7 +1144,8 @@ WebInspector.HeapProfileHeader.prototype = {
 
     _finishLoad: function()
     {
-        this._receiver.close(function() {});
+        if (!this._wasDisposed)
+            this._receiver.close(function() {});
         if (this._bufferedWriter) {
             this._bufferedWriter.close(this._didWriteToTempFile.bind(this));
             this._bufferedWriter = null;
@@ -1146,6 +1154,11 @@ WebInspector.HeapProfileHeader.prototype = {
 
     _didWriteToTempFile: function(tempFile)
     {
+        if (this._wasDisposed) {
+            if (tempFile)
+                tempFile.remove();
+            return;
+        }
         this._tempFile = tempFile;
         if (!tempFile)
             this._failedToCreateTempFile = true;