1 files changed, 50 insertions, 0 deletions
diff --git a/mobile/android/modules/geckoview/GeckoViewTelemetry.jsm b/mobile/android/modules/geckoview/GeckoViewTelemetry.jsm
new file mode 100644
index 0000000000..41760d6373
--- /dev/null
+++ b/mobile/android/modules/geckoview/GeckoViewTelemetry.jsm
@@ -0,0 +1,50 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+var EXPORTED_SYMBOLS = ["HistogramStopwatch", "InitializationTracker"];
+
+var InitializationTracker = {
+  initialized: false,
+  onInitialized(profilerTime) {
+    if (!this.initialized) {
+      this.initialized = true;
+      ChromeUtils.addProfilerMarker(
+        "GeckoView Initialization END",
+        profilerTime
+      );
+    }
+  },
+};
+
+// A helper for histogram timer probes.
+class HistogramStopwatch {
+  constructor(aName, aAssociated) {
+    this._name = aName;
+    this._obj = aAssociated;
+  }
+
+  isRunning() {
+    return TelemetryStopwatch.running(this._name, this._obj);
+  }
+
+  start() {
+    if (this.isRunning()) {
+      this.cancel();
+    }
+    TelemetryStopwatch.start(this._name, this._obj);
+  }
+
+  finish() {
+    TelemetryStopwatch.finish(this._name, this._obj);
+  }
+
+  cancel() {
+    TelemetryStopwatch.cancel(this._name, this._obj);
+  }
+
+  timeElapsed() {
+    return TelemetryStopwatch.timeElapsed(this._name, this._obj, false);
+  }
+}