Revert 251589 "Fixes crashes wrt to the maximize button when:"

> Fixes crashes wrt to the maximize button when:
> - A user hovers the minimize button with the mouse then taps the snap left / snap right button
> - When the MaximizeBubbleFrameState computed by GetMaximizeBubbleFrameState() changes while the maximize button help bubble is visible due to the work area bounds changing (See comment #6 in bug)
> 
> BUG=342867
> TEST=FrameMaximizeButtonTest.MaximizeBubbleMouseHoverAndTouch
> 
> Review URL: https://codereview.chromium.org/166543004

TBR=pkotwicz@chromium.org

Review URL: https://codereview.chromium.org/169433002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251647 0039d316-1c4b-4281-b951-d872f2087c98
LKGR w/ DEPS up to revision 251647