Provides the ability to write a unit test that brings up a browser. As
a proof of concept I converted
FindInPageControllerTest.FindInPageFrames over to this.

See the description in InProcessBrowserTest for how it all works.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/19644

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8934 0039d316-1c4b-4281-b951-d872f2087c98

• base/command_line.h[diff]
• chrome/browser/browser_main.cc[diff]
• chrome/browser/views/find_bar_win_uitest.cc[diff]
• chrome/browser/views/find_bar_win_unittest.cc[Added - diff]
• chrome/common/main_function_params.h[diff]
• chrome/test/in_process_browser_test.cc[Added - diff]
• chrome/test/in_process_browser_test.h[Added - diff]
• chrome/test/ui_test_utils.cc[Added - diff]
• chrome/test/ui_test_utils.h[Added - diff]
• chrome/test/unit/unittests.vcproj[diff]