Added one testcases to Instant.

functional/instant.py

Index: functional/instant.py
===================================================================
--- functional/instant.py	(revision 71508)
+++ functional/instant.py	(working copy)
@@ -63,6 +63,27 @@
     self.assertFalse(self.GetInstantInfo()['active'],
                      'Instant enabled for javascript URL.')
 
+  def testPornNavigation(self):

[Nirnimesh, 2011/01/15 00:14:34]

Yeah baby!

+    """Test that instant does not navigate porn sites until
+       user presses Enter key."""
+    self.SetOmniboxText('porn')
+    self.assertTrue(self.WaitUntil(self._DoneLoading))
+    self.assertTrue(self.GetInstantInfo()['active'],
+                    'Press Enter to search')

[Nirnimesh, 2011/01/15 00:14:34]

This error mesg is unclear

+    self.SetOmniboxText('xxx')

[Nirnimesh, 2011/01/15 00:14:34]

Instead of repeating these 3 lines (which's basically the same as the last 3
except for the query text), you should create a list of search items and work
these 3 lines on them.

+    self.assertTrue(self.WaitUntil(self._DoneLoading))
+    self.assertTrue(self.GetInstantInfo()['active'],
+                    'Press Enter to search')
+    
+  def testFindInCanDismissInstant(self):
+    """Test that instant previvew is dismissed by find-in-page."""

[Nirnimesh, 2011/01/15 00:14:34]

s/previvew/preview/

+    self.SetOmniboxText('google.com')
+    self.assertTrue(self.WaitUntil(self._DoneLoading))
+    location = self.GetInstantInfo()['location']
+    self.assertTrue('google.com' in location,
+                    msg='No google.com in %s' % location)
+    self.OpenFindInPage()
+    self.assertEqual(self.GetActiveTabTitle(), '')
 
 if __name__ == '__main__':
   pyauto_functional.Main()