Make cloning of File objects more useful.
Make the structured cloning of File objects complete, extending their
wire format to also include:
* name
* relative path
* size
* last modification date.
As this changes the format, bump the serialization version number up
to 4. The deserializer is backwards compatible, including for File
objects; verify this to be so through tests.
Files constructed via the File constructor weren't correctly cloned
as-was; added a Worker test to have some coverage.
R=dslomov@chromium.org,jochen@chromium.org
BUG=171905
TEST=fast/storage/serialized-script-value
TEST=fast/files/workers/worker-read-file-constructor-async
Review URL: https://codereview.chromium.org/100023005
git-svn-id: svn://svn.chromium.org/blink/trunk@163956 bbb929c8-8fbe-4397-9dbb-9b2b20218538
11 files changed
