Revert of Prevents double-clicks on a tab close button from aslo maximizing the browser

Revert of Prevents double-clicks on a tab close button from aslo maximizing the browser (https://codereview.chromium.org/222203006/)

Reason for revert:
Broke build.

Original issue's description:
> Prevents double-clicks on a tab close button from aslo maximizing the browser
> 
> The code responsible for listening to a double-click, and for maximizing the
> browser is platform dependant. The path on Aura desktop differs from that of
> Chrome OS. In both cases they use alternate means to trigger the maximizing.
> 
> This change modifies both so that they only attempt to maximize if the initial
> click has the same target as the second click. Tab deletion is destructive by
> nature, lead do different targets processing different parts of the same series
> of user events.
> 
> TEST=WorkspaceEventHandlerTest
> BUG=348817
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=263841

TBR=flackr@chromium.org,varkha@chromium.org,sadrul@chromium.org,jonross@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=348817
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=263855

[bungeman-skia, 2014-04-15 15:15:41]

Created Revert of Prevents double-clicks on a tab close button from aslo
maximizing the browser

[commit-bot: I haz the power, 2014-04-15 15:16:24]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/bungeman@google.com/239213003/1

[commit-bot: I haz the power, 2014-04-15 15:17:41]

Change committed as 263855