Revert 180117, it broke all telemetry tests.

tools/telemetry/telemetry/page_unittest.py

Index: tools/telemetry/telemetry/page_unittest.py
===================================================================
--- tools/telemetry/telemetry/page_unittest.py	(revision 180130)
+++ tools/telemetry/telemetry/page_unittest.py	(working copy)
@@ -8,7 +8,6 @@
 class TestPage(unittest.TestCase):
   def testGetUrlBaseDirAndFileForAbsolutePath(self):
     apage = page.Page('file:///somedir/otherdir/file.html',
-                      None, # In this test, we don't need a page set.
                       base_dir='basedir')
     dirname, filename = apage.url_base_dir_and_file
     self.assertEqual(dirname, 'basedir/somedir/otherdir')
@@ -16,7 +15,6 @@
 
   def testGetUrlBaseDirAndFileForRelativePath(self):
     apage = page.Page('file:///../../otherdir/file.html',
-                      None, # In this test, we don't need a page set.
                       base_dir='basedir')
     dirname, filename = apage.url_base_dir_and_file
     self.assertEqual(dirname, 'basedir/../../otherdir')
@@ -24,7 +22,6 @@
 
   def testGetUrlBaseDirAndFileForUrlBaseDir(self):
     apage = page.Page('file:///../../somedir/otherdir/file.html',
-                      None, # In this test, we don't need a page set.
                       base_dir='basedir')
     setattr(apage, 'url_base_dir', 'file:///../../somedir/')
     dirname, filename = apage.url_base_dir_and_file
@@ -32,10 +29,9 @@
     self.assertEqual(filename, 'otherdir/file.html')
 
   def testDisplayUrlForHttp(self):
-    self.assertEquals(page.Page('http://www.foo.com/', None).display_url,
+    self.assertEquals(page.Page('http://www.foo.com/').display_url,
                       'www.foo.com/')
 
   def testDisplayUrlForFile(self):
-    self.assertEquals(
-        page.Page('file:///../../otherdir/file.html', None).display_url,
-        'file.html')
+    self.assertEquals(page.Page('file:///../../otherdir/file.html').display_url,
+                      'file.html')