Files.app: Add analytics code to instrument cloud import flows.

ui/file_manager/file_manager/foreground/js/import_controller.js

Index: ui/file_manager/file_manager/foreground/js/import_controller.js
diff --git a/ui/file_manager/file_manager/foreground/js/import_controller.js b/ui/file_manager/file_manager/foreground/js/import_controller.js
index a5d452871598d1d6a5c8df84fe9c319f4673ef86..c3d13c04c90f23a1bcc3634cbf2bbcf4b630b595 100644
--- a/ui/file_manager/file_manager/foreground/js/import_controller.js
+++ b/ui/file_manager/file_manager/foreground/js/import_controller.js
@@ -28,9 +28,10 @@ importer.ResponseId = {
  * @param {!importer.MediaScanner} scanner
  * @param {!importer.ImportRunner} importRunner
  * @param {!importer.CommandWidget} commandWidget
+ * @param {!analytics.Tracker} tracker
  */
 importer.ImportController =
-    function(environment, scanner, importRunner, commandWidget) {
+    function(environment, scanner, importRunner, commandWidget, tracker) {
 
   /** @private {!importer.ControllerEnvironment} */
   this.environment_ = environment;
@@ -47,6 +48,9 @@ importer.ImportController =
   /** @type {!importer.ScanManager} */
   this.scanManager_ = new importer.ScanManager(environment, scanner);
 
+  /** @private {!analytics.Tracker} */
+  this.tracker_ = tracker;
+
   /**
    * The active import task, if any.
    * @private {?{
@@ -107,6 +111,10 @@ importer.ImportController.prototype.onScanEvent_ = function(event, scan) {
  * @private
  */
 importer.ImportController.prototype.onVolumeUnmounted_ = function(volumeId) {
+  if (this.activeImport_) {
+    this.activeImport_.task.requestCancel();

[Steve McKay, 2015/02/17 23:47:51]

Nice! Thanks for taking care of this.

[Ben Kwa, 2015/02/18 22:23:02]

Acknowledged.

+    this.tracker_.send(metrics.Events.DEVICE_YANKED);
+  }
   this.scanManager_.reset();
   this.checkState_();
 };
@@ -289,7 +297,7 @@ importer.ImportController.prototype.fitsInAvailableSpace_ =
         // storage in this calculation on the assumption that we
         // don't want to completely max out storage...even though
         // synced files will eventually be evicted from the cache.
-        return availableSpace > scanResult.getTotalBytes();
+        return availableSpace > scanResult.getStatistics().sizeBytes;
       });
 };