Bug 1161698 - Set the label as the filename when importing a performance recording r=jsantell

--HG--
extra : rebase_source : d91e37b61d7ee21039dc74bf3dd2491478d938aa

browser/devtools/performance/test/browser_perf_recordings-io-01.js

@@ -61,24 +61,24 @@ let test = Task.async(function*() {
 
   let importedData = PerformanceController.getCurrentRecording().getAllData();
 
-  is(importedData.label, originalData.label,
-    "The imported data is identical to the original data (1).");
+  is(importedData.label, "tmpprofile",
+    "The label is identical to the filename without its extension.");
   is(importedData.duration, originalData.duration,
-    "The imported data is identical to the original data (2).");
+    "The imported data is identical to the original data (1).");
   is(importedData.markers.toSource(), originalData.markers.toSource(),
-    "The imported data is identical to the original data (3).");
+    "The imported data is identical to the original data (2).");
   is(importedData.memory.toSource(), originalData.memory.toSource(),
-    "The imported data is identical to the original data (4).");
+    "The imported data is identical to the original data (3).");
   is(importedData.ticks.toSource(), originalData.ticks.toSource(),
-    "The imported data is identical to the original data (5).");
+    "The imported data is identical to the original data (4).");
   is(importedData.allocations.toSource(), originalData.allocations.toSource(),
-    "The imported data is identical to the original data (6).");
+    "The imported data is identical to the original data (5).");
   is(importedData.profile.toSource(), originalData.profile.toSource(),
-    "The imported data is identical to the original data (7).");
+    "The imported data is identical to the original data (6).");
   is(importedData.configuration.withTicks, originalData.configuration.withTicks,
-    "The imported data is identical to the original data (8).");
+    "The imported data is identical to the original data (7).");
   is(importedData.configuration.withMemory, originalData.configuration.withMemory,
-    "The imported data is identical to the original data (9).");
+    "The imported data is identical to the original data (8).");
 
   yield teardown(panel);
   finish();

toolkit/devtools/performance/io.js

@@ -104,6 +104,10 @@ function loadRecordingFromFile (file) {
     if (recordingData.profile.meta.version === 2) {
       RecordingUtils.deflateProfile(recordingData.profile);
     }
+    if(!recordingData.label) {
+      // set it to the filename without its extension
+      recordingData.label = file.leafName.replace(/\..+$/, '');
+    }
     deferred.resolve(recordingData);
   });