Add PyAuto tests for triggering browser/page action.

chrome/test/pyautolib/pyauto.py

Index: chrome/test/pyautolib/pyauto.py
diff --git a/chrome/test/pyautolib/pyauto.py b/chrome/test/pyautolib/pyauto.py
index 9e179f6d7b74b87ca637ab356482d42ee5dc60f9..f4c804a0761144847e39a361c96eca083b700a86 100644
--- a/chrome/test/pyautolib/pyauto.py
+++ b/chrome/test/pyautolib/pyauto.py
@@ -1790,6 +1790,22 @@ class PyUITest(pyautolib.PyUITestBase, unittest.TestCase):
     }
     self._GetResultFromJSONRequest(cmd_dict)
 
+  def TriggerExtensionActionById(self, id, windex=0):
+    """Trigger browser/page action asynchronously in the active tab.
+
+    If the extension has a page action, the page action icon must be displayed.

[dennis_jeffrey, 2011/11/17 00:53:17]

nit: ...the page action icon must be displayed before invoking this function.

[frankf, 2011/11/21 02:01:46]

Done.

+
+    Args:
+      id: The string id of the extension.
+      windex: Integer index of the browser window to use; defaults to 0
+              (first window).
+    """
+    cmd_dict = {  # Prepare command for the json interface
+      'command': 'TriggerExtensionActionById',
+      'id': id,
+    }
+    self._GetResultFromJSONRequest(cmd_dict, windex=windex)
+
   def UpdateExtensionsNow(self):
     """Auto-updates installed extensions.