[File Manager] Properly enable/disable Copy and Open for GData files in the offline mode.

[File Manager] Properly enable/disable Copy and Open for GData files in the offline mode.

In the offline GData mode Copy context menu is enabled only if all selected files are cached locally.
In Open dialog "Open" button is enabled only if the selected file(s) is(are) cached locally.

BUG=chromium-os:29611
TEST=

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=133903

[Vladislav Kaznacheev, 2012-04-23 15:33:58]

Please review. This is my 2nd attempt at solving this problem (see
https://chromiumcodereview.appspot.com/10119007/)

[SeRya, 2012-04-25 09:57:03]

lgtm

http://codereview.chromium.org/10184005/diff/1/chrome/browser/resources/file_...
File chrome/browser/resources/file_manager/js/file_transfer_controller.js
(right):

http://codereview.chromium.org/10184005/diff/1/chrome/browser/resources/file_...
chrome/browser/resources/file_manager/js/file_transfer_controller.js:72:
doc.addEventListener('paste', this.onPaste_.bind(this));
My suggestion is:

this.copyCommand_ = doc.querySelector('command#copy');

[Vladislav Kaznacheev, 2012-04-25 13:44:32]

PTAL

[SeRya, 2012-04-25 13:50:36]

lgtm

https://chromiumcodereview.appspot.com/10184005/diff/5001/chrome/browser/reso...
File chrome/browser/resources/file_manager/js/file_transfer_controller.js
(right):

https://chromiumcodereview.appspot.com/10184005/diff/5001/chrome/browser/reso...
chrome/browser/resources/file_manager/js/file_transfer_controller.js:21:
this.metadataCache_ = metadataCache;
The parameter list tends to get huge. I't prefer adding getMetadataCache to the
directory model.