Remove --enable-per-tile-painting and --ui-enable-per-tile-painting.

The ui flag is always true on ChromeOS and off elsewhere. The other is
never on and we're not planning to turn it on.

R=piman@chromium.org, piman
BUG=

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=251538

Review URL: https://codereview.chromium.org/164183012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@252070 0039d316-1c4b-4281-b951-d872f2087c98
Remove observer when switching from import overlay to create profile overlay.

Currently the observer is only removed if the overlay is closed.
Also remove it in case we switch to the create profile overlay.
This fixes an assertion.

BUG=344813
TEST=Switch between import overlay and create profile overlay.
TBR=pam@chromium.org

Review URL: https://codereview.chromium.org/165943003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@252071 0039d316-1c4b-4281-b951-d872f2087c98
Remove pp_ifdef from resource files in chrome/app/.

Generated using:
> cd src/chrome/app
> git grep -l pp_ifdef | xargs sed -i "s:pp_ifdef('\([^']\+\)'):\1:g"

BUG=343235
R=oshima@chromium.org

Review URL: https://codereview.chromium.org/171673004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@252072 0039d316-1c4b-4281-b951-d872f2087c98
Make touch-action apply to double-tap zoom

Filter out GestureDoubleTap events on elements with touch-actions
other than auto. When GestureDoubleTap is being filtered out,
we also eliminate the tap delay.

BUG=337534
TEST=TouchActionFilterTest.DoubleTap,
  TouchActionFilterTest.DoubleTapWithTouchActionAuto

Review URL: https://codereview.chromium.org/170603002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@252073 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 252073
Change component updater long wait from 2 hours to 6 hours.

BUG=344938
R=waffles@chromium.org

Review URL: https://codereview.chromium.org/172883003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@252076 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 252076