DevTools: Move PieChart, FlameChart and CPUProfileModel out of "components"

These types are ui- and sdk-related, having nothing to do with components

R=pfeldman, vsevik

Review URL: https://codereview.chromium.org/280803002

git-svn-id: svn://svn.chromium.org/blink/trunk@174017 bbb929c8-8fbe-4397-9dbb-9b2b20218538