Signature Validator to verify authenticity of signed dlls

Review URL: https://codereview.chromium.org/70553004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240664 0039d316-1c4b-4281-b951-d872f2087c98
Mac&Linux: add UMA instrumentation for inertial sensors.

Measure sensor availability for Mac/Linux platforms at the start
of Device Motion/Orientation APIs.

BUG=

Review URL: https://codereview.chromium.org/112793002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240665 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240664
SVN changes up to revision 240665
cr: Fix quoting of shell arguments

Make it possible to give quoted arguments to cr shell.

TEST=cr shell tools/perf/run_benchmark --browser=release \
smoothness.tough_scheduling_cases \
--extra-browser-args="-- enable-impl-side-painting \
--enable-threaded-compositing"
NOTRY=true

Review URL: https://codereview.chromium.org/114953005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240666 0039d316-1c4b-4281-b951-d872f2087c98
Fix sliders in the Files app's gallery.

This patch fixes two issues. Dragging with mouse and using keyboard arrows.

TEST=Tested manually.
BUG=323605

Review URL: https://codereview.chromium.org/114983003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240667 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240667