[Telemetry] Implement dirty profile generation

tools/telemetry/telemetry/core/chrome/android_browser_backend.py

Index: tools/telemetry/telemetry/core/chrome/android_browser_backend.py
diff --git a/tools/telemetry/telemetry/core/chrome/android_browser_backend.py b/tools/telemetry/telemetry/core/chrome/android_browser_backend.py
index 4fae26cf9e6ab4b9a59b536a8c40587c16108cfd..34626114661eaa86efa70da5837241e4c1390216 100644
--- a/tools/telemetry/telemetry/core/chrome/android_browser_backend.py
+++ b/tools/telemetry/telemetry/core/chrome/android_browser_backend.py
@@ -270,6 +270,15 @@ class AndroidBrowserBackend(chrome_browser_backend.ChromeBrowserBackend):
       self._adb.RunShellCommand('rm %s' % self._backend_settings.cmdline_file)
     self._adb.CloseApplication(self._backend_settings.package)
 
+    if self._options.output_profile_path:

[Dominik Grewe, 2013/09/02 09:15:18]

This crashes with
AttributeError: 'AndroidBrowserBackend' object has no attribute '_options'

Should it be self.finder_options.output_profile_path instead?

[Dominik Grewe, 2013/09/02 10:43:47]

Because this bug caused the perf bots to fail I've uploaded a fix:
http://crrev.com/23866002.

+      logging.info("Pulling profile directory from device: '%s'->'%s'." %
+          (self._backend_settings.profile_dir,
+          self._options.output_profile_path))
+      # To minimize bandwidth it might be good to look at whether all the data
+      # pulled down is really needed e.g. .pak files.
+      self._adb.Pull(self._backend_settings.profile_dir,
+          self._options.output_profile_path)
+
   def IsBrowserRunning(self):
     pids = self._adb.ExtractPid(self._backend_settings.package)
     return len(pids) != 0