Simply FrameLoaderStateMachine and FrameLoader::transitionToCommitted().

This removes 2 cases from FrameLoaderStateMachine. FirstLayoutDone is
closely approximated by FrameView, and DisplayingInitialEmptyDocumentPostCommit
appears to be a workaround for declaring the first real load committed a bit
too early.

BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/14787005

git-svn-id: svn://svn.chromium.org/blink/trunk@149766 bbb929c8-8fbe-4397-9dbb-9b2b20218538
9 files changed