Move cloud import button to toolbar, make material designey.

ui/file_manager/file_manager/foreground/js/import_controller_unittest.js

Index: ui/file_manager/file_manager/foreground/js/import_controller_unittest.js
diff --git a/ui/file_manager/file_manager/foreground/js/import_controller_unittest.js b/ui/file_manager/file_manager/foreground/js/import_controller_unittest.js
index 9e9fef5541e7498b53df9b940c38049d5d27d8f4..d58e5deb553bef311dafa8abbc7756476b88f642 100644
--- a/ui/file_manager/file_manager/foreground/js/import_controller_unittest.js
+++ b/ui/file_manager/file_manager/foreground/js/import_controller_unittest.js
@@ -116,6 +116,25 @@ function testGetCommandUpdate_InitiatesScan() {
   mediaScanner.assertScanCount(1);
 }
 
+function testDirectoryChange_InitiatesUpdate() {
+  var controller = createController(
+      VolumeManagerCommon.VolumeType.MTP,
+      'mtp-volume',
+      [
+        '/DCIM/',
+        '/DCIM/photos0/',
+        '/DCIM/photos0/IMG00001.jpg',
+        '/DCIM/photos0/IMG00002.jpg',
+        '/DCIM/photos1/',
+        '/DCIM/photos1/IMG00001.jpg',
+        '/DCIM/photos1/IMG00003.jpg'
+      ],
+      '/DCIM');
+
+  environment.directoryChangedListener_();
+  commandUpdateRecorder.assertCallCount(1);
+}
+
 function testUnmountInvalidatesScans() {
   var controller = createController(
       VolumeManagerCommon.VolumeType.MTP,
@@ -338,6 +357,9 @@ TestControllerEnvironment = function(volumeInfo, directory) {
   /** @private {function(string)} */
   this.volumeUnmountListener_;
 
+  /** @private {function()} */
+  this.directoryChangedListener_;
+
   /** @public {!DirectoryEntry} */
   this.selection = [];
 
@@ -389,6 +411,12 @@ TestControllerEnvironment.prototype.addVolumeUnmountListener =
   this.volumeUnmountListener_ = listener;
 };
 
+/** @override */
+TestControllerEnvironment.prototype.addDirectoryChangedListener =
+    function(listener) {
+  this.directoryChangedListener_ = listener;
+};
+
 /**
  * Simulates an unmount event.
  */