Allow chromedriver to install an extension and get all installed extension IDs.

chrome/test/functional/ntp.py

Index: chrome/test/functional/ntp.py
diff --git a/chrome/test/functional/ntp.py b/chrome/test/functional/ntp.py
index 3086ee6df285fcb985784fa582f0bd0c09cb7622..360130d9fc9b88ef11a6e77379d7a4af5c40c9ff 100644
--- a/chrome/test/functional/ntp.py
+++ b/chrome/test/functional/ntp.py
@@ -379,9 +379,7 @@ class NTPTest(pyauto.PyUITest):
     """
     app_crx_file = os.path.abspath(os.path.join(
         self.DataDir(), 'pyauto_private', 'apps', 'countdown.crx'))
-    installed_app_id = self.InstallApp(app_crx_file)
-    self.assertTrue(installed_app_id, msg='App install failed.')
-    return installed_app_id
+    return self.InstallExtension(app_crx_file)
 
   def testGetAppsInNewProfile(self):
     """Ensures that the only app in a new profile is the Web Store app."""
@@ -405,11 +403,10 @@ class NTPTest(pyauto.PyUITest):
     # Install a regular extension and a theme.
     ext_crx_file = os.path.abspath(os.path.join(self.DataDir(), 'extensions',
                                                 'page_action.crx'))
-    self.assertTrue(self.InstallExtension(ext_crx_file, False),
-                    msg='Extension install failed.')
+    self.InstallExtension(ext_crx_file)
     theme_crx_file = os.path.abspath(os.path.join(self.DataDir(), 'extensions',
                                                   'theme.crx'))
-    self.assertTrue(self.SetTheme(theme_crx_file), msg='Theme install failed.')
+    self.SetTheme(theme_crx_file)
     # Verify that no apps are listed on the NTP except for the Web Store.
     app_info = self.GetNTPApps()
     self._VerifyAppInfo(app_info, self._EXPECTED_DEFAULT_APPS)
@@ -428,8 +425,8 @@ class NTPTest(pyauto.PyUITest):
     self._VerifyAppInfo(app_info, expected_app_info)
 
     # Next, uninstall the app and verify that it is removed from the NTP.
-    self.assertTrue(self.UninstallApp(installed_app_id),
-                    msg='Call to UninstallApp() returned False.')
+    self.assertTrue(self.UninstallExtensionById(installed_app_id),
+                    msg='Call to UninstallExtensionById() returned False.')
     app_info = self.GetNTPApps()
     self._VerifyAppInfo(app_info, self._EXPECTED_DEFAULT_APPS)
 
@@ -444,8 +441,8 @@ class NTPTest(pyauto.PyUITest):
 
     # Attempt to uninstall the WebStore app and verify that it still exists
     # in the App info of the NTP even after we try to uninstall it.
-    self.assertFalse(self.UninstallApp(webstore_id),
-                     msg='Call to UninstallApp() returned True.')
+    self.assertFalse(self.UninstallExtensionById(webstore_id),
+                     msg='Call to UninstallExtensionById() returned True.')
     self._VerifyAppInfo(self.GetNTPApps(), self._EXPECTED_DEFAULT_APPS)
 
   def testLaunchAppWithDefaultSettings(self):