Flag --force-device-scale-factor was being inconsistently referenced.
Also, --high-dpi-support was not being used consistently. As a
result, high dpi support in aura has been broken for some time.

BUG=306268

Review URL: https://codereview.chromium.org/52773006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232778 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232778
Added gyp support for fallback data reduction proxy host

This change provides a way to specify a fallback data reduction
proxy in gyp.

BUG=314108

Review URL: https://codereview.chromium.org/56093005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232779 0039d316-1c4b-4281-b951-d872f2087c98
Fixed typo.

BUG=314284
TBR=noamsml
NOTRY=true

Review URL: https://codereview.chromium.org/58343002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232780 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232780