Move surface resize platform code from GpuProcessHostUIShim to RenderWidgetHostView implementations.

BUG=303425

Review URL: https://codereview.chromium.org/25795002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228785 0039d316-1c4b-4281-b951-d872f2087c98
Blink roll 159649:159687

http://build.chromium.org/f/chromium/perf/dashboard/ui/changelog_blink.html?url=/trunk&range=159650:159687&mode=html
TBR=
BUG=

Review URL: https://codereview.chromium.org/26427005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228786 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228787 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228786
SVN changes up to revision 228787