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We first show a search engine choice dialog (basically matches windows) but also (in the google chrome case) show a second dialog with the "make chrome the default browser" and "report crashes?" checkboxes. In the chromium case, we don't show the second dialog because it would have a single checkbox (no crash reporting in chromium), and that checkbox is covered by an infobar anyway.

In Chrome, the search engines have image logos. In chromium, they only have plain text logos.

We also no longer show the first run bubble.

BUG=49705
TEST=manual (Chrome and Chromium)

TODO:
- skip the search engine choice when there are no suggested search engines
- show the default search if it's not in the first 3 search engines list
- randomize the search engines list (sometimes)
- remove first run bubble code

Review URL: http://codereview.chromium.org/3106031

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57109 0039d316-1c4b-4281-b951-d872f2087c98