<webview>: Move Color Chooser and File Chooser to Chrome

BUG=364141, 330264

Review URL: https://codereview.chromium.org/280833003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@270348 0039d316-1c4b-4281-b951-d872f2087c98
5 files changed