Revert 239543 "IndexedDB: Timeout transactions if front-end is u..."

> IndexedDB: Timeout transactions if front-end is unresponsive
> 
> Introduce a fixed time-out that limits how long a
> transaction will wait after it handles the last request
> before it gives up and aborts. This is to prevent "wedged"
> renderers (not crashed but not turning the event loop, etc)
> from holding up the transaction queue since they never
> issue a another request or ask to commit.
> 
> (TBR for new file entry in gypi)
> 
> BUG=318992
> R=dgrogam
> TBR=jam
> 
> Review URL: https://codereview.chromium.org/67173010

TBR=jsbell@chromium.org

Review URL: https://codereview.chromium.org/101323007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239604 0039d316-1c4b-4281-b951-d872f2087c98
Revert 239579 "Update nacl_helper-data expectations"

> Update nacl_helper-data expectations
> 
> Increase of about 2.5K. Confirmed with jln@ on #chromium that this is
> reasonable from r239550.
> 
> Also, fix file mode opening in make_expectations.py so that
> the script works on Windows and doesn't change every line.
> 
> R=vadimt@chromium.org, andrewhayden@chromium.org, jln@chromium.org
> 
> Review URL: https://codereview.chromium.org/110793002

TBR=scottmg@chromium.org

Review URL: https://codereview.chromium.org/107763003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239606 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 239606