Add three fullscreen tests and three mouse lock tests.

chrome/test/functional/fullscreen_mouselock.py

Index: chrome/test/functional/fullscreen_mouselock.py
diff --git a/chrome/test/functional/fullscreen_mouselock.py b/chrome/test/functional/fullscreen_mouselock.py
index beb6a4933dce9337ce62197959338429593f85dd..08ad9da0dbdd9681162296b3183bd7c14c8ea4e4 100755
--- a/chrome/test/functional/fullscreen_mouselock.py
+++ b/chrome/test/functional/fullscreen_mouselock.py
@@ -143,6 +143,14 @@ class FullscreenMouselockTest(pyauto.PyUITest):
     self.assertTrue(self.WaitUntil(lambda: not self.IsFullscreenForTab()))
     self.assertTrue(self.WaitUntil(lambda: not self.IsMouseLocked()))
 
+  def _InitiateTabFullscreen(self):
+    """Helper function that initiates tab fullscreen."""
+    self.NavigateToURL(self.GetHttpURLForDataPath(
+        'fullscreen_mouselock', 'fullscreen_mouselock.html'))
+    # Initiate tab fullscreen.
+    self._driver.find_element_by_id('enterFullscreen').click()
+    self.assertTrue(self.WaitUntil(lambda: self.IsFullscreenForTab()))
+
   def _AcceptFullscreenOrMouseLockRequest(self):
     """Helper function to accept fullscreen or mouse lock request."""
     self.AcceptCurrentFullscreenOrMouseLockRequest()
@@ -375,6 +383,27 @@ class FullscreenMouselockTest(pyauto.PyUITest):
         lambda: not self.IsFullscreenBubbleDisplayingButtons()),
                     msg='Mouse lock bubble did not clear when tab lost focus.')
 
+  def testTabFSExitUponNavigation(self):

[scheib, 2012/06/14 22:51:12]

Perhaps clarify that this navigation is "navigating backwards". Is it possible
that opening a new URL with NavigateToURL would cause a different behavior?
Perhaps have a test that starts with _InitiateTabFullscree() then calls
NavigateToURL(...google)

[dyu1, 2012/06/15 01:42:24]

Done.

+    """Verify tab fullscreen exit when navigating to a new page."""
+    self.NavigateToURL(self.GetHttpURLForDataPath('google', 'google.html'))
+    self._InitiateTabFullscreen()
+    self._driver.find_element_by_id('goBack').click()
+    self.assertTrue(
+        self.WaitUntil(not self.IsFullscreenForTab),
+        msg='Tab fullscreen did not exist when navigating to a new page.')

[scheib, 2012/06/14 22:51:12]

s/exist/exit/ -- in more than one place.

[dyu1, 2012/06/15 01:42:24]

Done.

+
+  def testTabFSDontExitForAnchorLinks(self):

[scheib, 2012/06/14 22:51:12]

s/Dont/DoesNot/

[dyu1, 2012/06/15 01:42:24]

Done.

+    """Verify tab fullscreen does not exist for anchor links.
+
+    Tab fullscreen should not exist when following a link to the same page such
+    as example.html#anchor.
+    """
+    self._InitiateTabFullscreen()
+    self._driver.find_element_by_id('anchor').click()
+    self.assertTrue(
+        self.WaitUntil(self.IsFullscreenForTab),
+        msg='Tab fullscreen should not exit when clicking on an anchor link.')
+
   def ExitTabFSToBrowserFS(self):
     """Verify exiting tab fullscreen leaves browser in browser fullscreen.