Adding pytauto tests from Chrome Instant feature
Adding pytauto tests from Chrome Instant feature

Added a new class,DefaultSettingInstantTest, to verify the default setting and to test enabling and disabling the setting.
Added the following tests.
1. testEnableDisableInstant
2. testInstantCaseSesitivity
3. testInstantWithSearchEngineOtherThanGoogle

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/6330002

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@72987 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