Trusted plugin: Remove ScriptablePlugin.

ScriptablePlugin no longer provides anything from the plugin element in the DOM
since properties were moved in r237604.

BUG=239656
R=dmichael@chromium.org

Review URL: https://codereview.chromium.org/160533002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@250811 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 250811
Mojo: Make C++ CreateMessagePipe() wrapper return result.

(Also make declaration order match that of DataPipe's -- handle, then
scoped handle, then functions, and then creation wrapper.)

R=sky@chromium.org

Review URL: https://codereview.chromium.org/129793014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@250812 0039d316-1c4b-4281-b951-d872f2087c98
Files.app: Reflesh metadata when copy is finished.

Previously, the cached metadata fetched on the begining of copy is used after
the copy completes. This is caused a bug the size of file is shown as 0.
This CL adds lines to reflesh the cached metadata.

BUG=339165
TEST=Copy a file from the drive to local and observes its file size.

Review URL: https://codereview.chromium.org/148183019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@250813 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 250813