Merge 187643 "Fix views omnibox unfocused double-click behavior."

Merge 187643 "Fix views omnibox unfocused double-click behavior."

> Fix views omnibox unfocused double-click behavior.
> 
> Move the cursor to the double-click event location before selecting the surrounding word.
> This fixes double-click behavior when the views omnibox is unfocused.
> ( unfocused mouse-up on the first click selects all, changing the cursor position )
> 
> BUG=131660, 165873
> TEST=double-clicking the unfocused omnibox selects the expected word.
> R=sky@chromium.org
> 
> Review URL: https://chromiumcodereview.appspot.com/12408023

TBR=msw@chromium.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=188158

[msw, 2013-03-14 19:26:20]

Committed patchset #1 manually as r188158.