Modifications to DisplayList for better Slimming Paint

Add clipping.
Add transform.
Change recording to be driven by GraphicsContext.
Update dependent code.
Move a method used only by SVGFEImage from AffineTransform to SVGFEImage

R=pdr,senorblanco
BUG=410019

Review URL: https://codereview.chromium.org/536573002

git-svn-id: svn://svn.chromium.org/blink/trunk@181502 bbb929c8-8fbe-4397-9dbb-9b2b20218538