Add DriveAppRegistryObserver.
commit52daa301c9749eee9d64932db07281d74dd1d4a2
authorxiyuan@chromium.org <xiyuan@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Tue, 15 Apr 2014 14:31:07 +0000 (15 14:31 +0000)
committerxiyuan@chromium.org <xiyuan@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Tue, 15 Apr 2014 14:31:07 +0000 (15 14:31 +0000)
treea2cd6d3ccd7739128b5c8cea9fe456d54dd12b06
parent070080b9254c952e6ece5959015c7f941003b795
Add DriveAppRegistryObserver.

So that interested parties get notified when the list of installed
Drive apps are updated.

BUG=358796

Review URL: https://codereview.chromium.org/235983008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@263843 0039d316-1c4b-4281-b951-d872f2087c98
chrome/browser/drive/drive_app_registry.cc
chrome/browser/drive/drive_app_registry.h
chrome/browser/drive/drive_app_registry_observer.h [new file with mode: 0644]
chrome/browser/drive/drive_app_registry_unittest.cc
chrome/chrome_browser.gypi