Set DRIVE_FS_ENABLED flag true for FilesApp ui tests

This is now enabled by default.

Change-Id: I79253ff1f638e341996c80794b61652716b3ec3b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1616935
Auto-Submit: Joel Hockey <joelhockey@chromium.org>
Commit-Queue: Luciano Pacheco <lucmult@chromium.org>
Reviewed-by: Luciano Pacheco <lucmult@chromium.org>
Cr-Commit-Position: refs/heads/master@{#661241}

ui/file_manager/file_manager/test/crostini_share.js

@@ -222,6 +222,8 @@ shareBase.testSharePathShown = async (vmName, vmNameSelector, done) => {
   await test.waitForFiles(
       test.TestEntryInfo.getExpectedRows(test.BASIC_CROSTINI_ENTRY_SET));
 
+  // Set DRIVE_FS_ENABLED=false, and check that 'Share with <VM>' is not shown.
+  loadTimeData.data_['DRIVE_FS_ENABLED'] = false;
   // Check 'Share with <VM>' is not shown in menu.
   assertTrue(
       test.fakeMouseRightClick('#file-list [file-name="A"]'),
@@ -258,8 +260,6 @@ shareBase.testSharePathShown = async (vmName, vmNameSelector, done) => {
   await test.waitForElement(
       '#directory-tree .tree-item [root-type-icon="crostini"]');
 
-  // Unset DRIVE_FS_ENABLED.
-  loadTimeData.data_['DRIVE_FS_ENABLED'] = false;
   // Clear Crostini shared folders.
   fileManager.crostini.unregisterSharedPath(vmName, alreadySharedPhotosDir);
   done();

ui/file_manager/file_manager/test/js/strings.js

@@ -10,7 +10,7 @@ loadTimeData.data = $GRDP;
 // Extend with additional fields not found in grdp files.
 loadTimeData.overrideValues({
   'CROSTINI_ENABLED': true,
-  'DRIVE_FS_ENABLED': false,
+  'DRIVE_FS_ENABLED': true,
   'GOOGLE_DRIVE_REDEEM_URL': 'http://www.google.com/intl/en/chrome/devices' +
       '/goodies.html?utm_source=filesapp&utm_medium=banner&utm_campaign=gsg',
   'GOOGLE_DRIVE_OVERVIEW_URL':
@@ -26,4 +26,4 @@ loadTimeData.overrideValues({
 // Overwrite LoadTimeData.prototype.data setter as nop.
 // Default implementation throws errors when both background and
 // foreground re-set loadTimeData.data.
-Object.defineProperty(LoadTimeData.prototype, 'data', {set: () => {}});
\ No newline at end of file
+Object.defineProperty(LoadTimeData.prototype, 'data', {set: () => {}});