Telemetry support for extensions.

tools/telemetry/telemetry/possible_browser.py

Index: tools/telemetry/telemetry/possible_browser.py
===================================================================
--- tools/telemetry/telemetry/possible_browser.py	(revision 176402)
+++ tools/telemetry/telemetry/possible_browser.py	(working copy)
@@ -7,9 +7,10 @@
   Call Create() to launch the browser and begin manipulating it..
   """
 
-  def __init__(self, browser_type, options):
+  def __init__(self, browser_type, options, supports_extensions):

[nduca, 2013/01/15 05:31:06]

is there any way to not pass this in on the arg list? Can't we have cros and
desktop browser backend return true if not content shell, and android always
return false?

     self.browser_type = browser_type
     self._options = options
+    self._supports_extensions = supports_extensions
 
   def __repr__(self):
     return 'PossibleBrowser(browser_type=%s)' % self.browser_type
@@ -18,5 +19,9 @@
   def options(self):
     return self._options
 
+  @property
+  def supports_extensions(self):
+    return self._supports_extensions
+
   def Create(self):
     raise NotImplementedError()