Proof of concept for running extension API stack through dev tools.

tools/telemetry_auto/telemetry_auto/oobe_page.py

Index: tools/telemetry_auto/telemetry_auto/oobe_page.py
diff --git a/tools/telemetry_auto/telemetry_auto/oobe_page.py b/tools/telemetry_auto/telemetry_auto/oobe_page.py
new file mode 100644
index 0000000000000000000000000000000000000000..b546d86ba5c97e5b3368490a6a270209661a741a
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+++ b/tools/telemetry_auto/telemetry_auto/oobe_page.py
@@ -0,0 +1,75 @@
+# 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.
+import os
+import sys
+
+import telemetry
+from telemetry import util
+from telemetry_auto.webui_page import WebUIPage
+
+class OobePage(WebUIPage):
+  def __init__(self, browser):
+    self.current_screen = None
+    self.page_urls = ["chrome://oobe/", "chrome://oobe/login"]
+    super(OobePage, self).__init__(browser)
+
+  def GetCurrentScreenId(self):
+    try:
+      self.current_screen = self.page.runtime.Evaluate(
+          'cr.ui.Oobe.getInstance().currentScreen.id')
+    except:
+      return None
+
+    return self.current_screen
+
+  def WaitForStartupScreen(self):
+    # Wait for any OOBE screen to show up .
+    util.WaitFor(lambda:
+                     not self.GetCurrentScreenId() is None,
+                 timeout=10)
+    return self.current_screen
+
+  def AttachTestHooks(self):
+    # Wait for any OOBE screen to show up.
+    screen_id = self.WaitForStartupScreen()
+    self.AddTestHelperMethods()
+    return screen_id
+
+  def _WaitForScreen(self, screen_id):
+    util.WaitFor(
+        lambda: self.page.runtime.Evaluate(
+                    'cr.ui.Oobe.getInstance().currentScreen.id') == screen_id,
+                timeout=10)
+
+  def LoginUser(self, email, password):
+    self.WaitForPageToLoad(self.page_urls)
+    # Get the initial screen id and set up helper functions.
+    screen_id = self.AttachTestHooks()
+    print 'Starting at screen %s' % screen_id
+    # Pass user network selection screen.
+    if screen_id == 'connect':
+      self.ClickOnButton('continue-button')
+
+    # Trigger GAIA login event.
+    self._WaitForScreen('gaia-signin')
+    self._LoginAs(email, password)
+
+    # Pass user avatar image selection.
+    self._WaitForScreen('user-image')
+    self.ClickOnButton('ok-button')
+
+  def _LoginAs(self, email, password):
+    login_command = """
+    $('gaia-signin').onMessage_(
+        { origin:
+              'chrome-extension://mfffpogegjflfpflabcdkioaeobkgjik/main.html',
+          source: $('signin-frame').contentWindow,
+          data: {
+            method: 'completeLogin',
+            email: '%s',
+            password: '%s'
+          }
+        });
+    """ % (email, password)
+    self.page.runtime.Execute(login_command)