def _PrepareFinderOptions(finder_options, test, device_type):
browser_options = finder_options.browser_options
# Set up user agent.
browser_options.browser_user_agent_type = device_type
test.CustomizeBrowserOptions(finder_options.browser_options)
if finder_options.profiler:
profiler_class = profiler_finder.FindProfiler(finder_options.profiler)
profiler_class.CustomizeBrowserOptions(browser_options.browser_type,
finder_options)
def Start(self, profiler_name, base_output_file):
"""Starts profiling using |profiler_name|. Results are saved to
|base_output_file|.<process_name>."""
assert not self._active_profilers, 'Already profiling. Must stop first.'
profiler_class = profiler_finder.FindProfiler(profiler_name)
if not profiler_class.is_supported(self._browser_backend.browser_type):
raise Exception('The %s profiler is not '
'supported on this platform.' % profiler_name)
if not profiler_class in self._profilers_states:
self._profilers_states[profiler_class] = {}
self._active_profilers.append(
profiler_class(self._browser_backend, self._platform_backend,
base_output_file, self._profilers_states[profiler_class]))
