Use pread and pwrite in NaCl PlatformFile now that they're available.

BUG=298967

Review URL: https://codereview.chromium.org/58583003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232947 0039d316-1c4b-4281-b951-d872f2087c98
Massage Autofill dialog sign in test to be more similar to actual sign in flow.

R=estade@chromium.org
BUG=314627

Review URL: https://codereview.chromium.org/58593003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232948 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232947
[NaCl SDK] Update SmoothLife demo to the most recent version.

This has some performance optimzations, and adds some new functionality. It
also adds some function documentation.

BUG=none
R=sbc@chromium.org

Review URL: https://codereview.chromium.org/58573003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232949 0039d316-1c4b-4281-b951-d872f2087c98
Fixed custom time histogram overflow.
Removed unused enum value.

BUG=314284
NOTRY=true
TBR=noamsml

Review URL: https://codereview.chromium.org/59083002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232950 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232950