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

ui/file_manager/file_manager/background/js/background.js

Index: ui/file_manager/file_manager/background/js/background.js
diff --git a/ui/file_manager/file_manager/background/js/background.js b/ui/file_manager/file_manager/background/js/background.js
index 6f7c2e685935088bfbe538c1314c9c9f6ee867f5..faea9a89d8785e92bde0b8507d77c1561825d5b9 100644
--- a/ui/file_manager/file_manager/background/js/background.js
+++ b/ui/file_manager/file_manager/background/js/background.js
@@ -21,6 +21,11 @@ var LaunchType = {
 function FileBrowserBackground() {
   BackgroundBase.call(this);
 
+  var analyticsService = analytics.getService('Files.app');

[mtomasz, 2015/02/12 01:51:03]

nit: We usually write Files app without a dot, but I know we're not very
consistent with it.

[Ben Kwa, 2015/02/17 23:01:29]

Fixed in another CL.  Tracker creation now takes place in metrics.js. 

+
+  /** @type {!analytics.Tracker} */
+  this.tracker = analyticsService.getTracker('UA-38248358-9');
+
   /**
    * Synchronous queue for asynchronous calls.
    * @type {!AsyncUtil.Queue}
@@ -91,7 +96,8 @@ function FileBrowserBackground() {
       new importer.MediaImportHandler(
           this.progressCenter,
           this.historyLoader,
-          new importer.DriveDuplicateFinder());
+          new importer.DriveDuplicateFinder.Factory(),
+          this.tracker);
 
   /**
    * Promise of string data.