[chromedriver] Use data:, instead of about:blank for the start page.

chrome/test/chromedriver/test/run_py_tests.py

Index: chrome/test/chromedriver/test/run_py_tests.py
diff --git a/chrome/test/chromedriver/test/run_py_tests.py b/chrome/test/chromedriver/test/run_py_tests.py
index 70c3b69e242b521cd60b3e47bef0a53936c7e320..936038fc548e94b87917c89267d1c13f0db874b3 100755
--- a/chrome/test/chromedriver/test/run_py_tests.py
+++ b/chrome/test/chromedriver/test/run_py_tests.py
@@ -452,7 +452,7 @@ class ChromeDriverTest(ChromeDriverBaseTest):
     self.assertEquals('0123456789+-*/ Hi, there!', value)
 
   def testGetCurrentUrl(self):
-    self.assertTrue('about:blank' in self._driver.GetCurrentUrl())
+    self.assertTrue('data:,' in self._driver.GetCurrentUrl())
 
   def testGoBackAndGoForward(self):
     self._driver.Load(self.GetHttpUrlForFile('/chromedriver/empty.html'))
@@ -617,6 +617,11 @@ class ChromeDriverTest(ChromeDriverBaseTest):
     self._driver.MouseClick(2)
     self.assertTrue(self._driver.ExecuteScript('return success'))
 
+  def testHasFocusOnStartup(self):
+    # Some pages (about:blank) cause Chrome to put the focus in URL bar.
+    # This breaks tests depending on focus.
+    self.assertTrue(self._driver.ExecuteScript('return document.hasFocus()'))
+
 
 class ChromeSwitchesCapabilityTest(ChromeDriverBaseTest):
   """Tests that chromedriver properly processes chromeOptions.args capabilities.