Get rid of FromDict from robohornet_pro, scirra, spaceport, sunspider

tools/perf/benchmarks/spaceport.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Runs spaceport.io's PerfMarks benchmark."""
 
 import logging
 import os
 
 from metrics import power
@@ skipping 55 matching lines @@
 
 # crbug.com/166703: This test frequently times out on Windows.
 @test.Disabled('mac', 'win')
 class Spaceport(test.Test):
   """spaceport.io's PerfMarks benchmark."""
   test = _SpaceportMeasurement
 
   def CreatePageSet(self, options):
     spaceport_dir = os.path.join(util.GetChromiumSrcDir(), 'chrome', 'test',
         'data', 'third_party', 'spaceport')
-    return page_set.PageSet.FromDict(
-        {'pages': [{'url': 'file://index.html'}]},
-        spaceport_dir)
+    ps = page_set.PageSet(file_path=spaceport_dir)
+    ps.AddPageWithDefaultRunNavigate('file://index.html')
+    return ps