[Telemetry] Move extensions_to_load and output_profile_path into browser_options

telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py

Index: telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py
diff --git a/telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py b/telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py
index 8351de547818b7dcdb65237fb048419cd4354091..518c1bbb6d91f5adc0b6884328494c1bb41b0831 100644
--- a/telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py
+++ b/telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py
@@ -128,15 +128,12 @@ class DesktopBrowserBackend(chrome_browser_backend.ChromeBrowserBackend):
   Mac or Windows.
   """
   def __init__(self, desktop_platform_backend, browser_options, executable,
-               flash_path, is_content_shell, browser_directory,
-               output_profile_path, extensions_to_load):
+               flash_path, is_content_shell, browser_directory):
     super(DesktopBrowserBackend, self).__init__(
         desktop_platform_backend,
         supports_tab_control=not is_content_shell,
         supports_extensions=not is_content_shell,
-        browser_options=browser_options,
-        output_profile_path=output_profile_path,
-        extensions_to_load=extensions_to_load)
+        browser_options=browser_options)
 
     # Initialize fields so that an explosion during init doesn't break in Close.
     self._proc = None
@@ -152,6 +149,8 @@ class DesktopBrowserBackend(chrome_browser_backend.ChromeBrowserBackend):
 
     self._is_content_shell = is_content_shell
 
+    extensions_to_load = browser_options.extensions_to_load
+
     if len(extensions_to_load) > 0 and is_content_shell:
       raise browser_backend.ExtensionsNotSupportedException(
           'Content shell does not support extensions.')