GitLab

OnSetIcon (and OnSetText) were removed in crrev.com/111858.
That was a speculative fix for crbug.com/97808.

DefWindowProc for WM_SETICON does weird non-client painting.
We need a ScopedRedrawLock to avoid flickering on title/icon updates.

TEST=No Windows classic theme titlebar flickering.
BUG=97808,140674

Review URL: https://chromiumcodereview.appspot.com/10826160

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150104 0039d316-1c4b-4281-b951-d872f2087c98