GTK: Calling chrome.browserAction.setIcon shouldn't hide tooltips.
GTK: Calling chrome.browserAction.setIcon shouldn't hide tooltips.

Previously, when a browser action's icon changes, it caused the gtk widget
tree to be modified, which hid all tooltips. This was a problem because
several popular extensions called setIcon on a timer of a few seconds.

BUG=37489
TEST=none

Review URL: http://codereview.chromium.org/1547036

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@44940 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser