wpr_mode, no_proxy_server and browser_user_agent_type to BrowserOptions

tools/telemetry/telemetry/core/backends/chrome/chrome_browser_backend.py

Index: tools/telemetry/telemetry/core/backends/chrome/chrome_browser_backend.py
diff --git a/tools/telemetry/telemetry/core/backends/chrome/chrome_browser_backend.py b/tools/telemetry/telemetry/core/backends/chrome/chrome_browser_backend.py
index 218601394454a27e3a0ae1f05c5092fc2eb6abd7..f58726ed725ebe7bb040a983c9248631d6c6e2fa 100644
--- a/tools/telemetry/telemetry/core/backends/chrome/chrome_browser_backend.py
+++ b/tools/telemetry/telemetry/core/backends/chrome/chrome_browser_backend.py
@@ -79,13 +79,13 @@ class ChromeBrowserBackend(browser_backend.BrowserBackend):
     args.append('--metrics-recording-only')
     args.append('--no-first-run')
     args.append('--no-proxy-server')
-    if self.finder_options.wpr_mode != wpr_modes.WPR_OFF:
+    if self.browser_options.wpr_mode != wpr_modes.WPR_OFF:
       args.extend(wpr_server.GetChromeFlags(
           self.WEBPAGEREPLAY_HOST,
           self.webpagereplay_remote_http_port,
           self.webpagereplay_remote_https_port))
     args.extend(user_agent.GetChromeUserAgentArgumentFromType(
-        self.finder_options.browser_user_agent_type))
+        self.browser_options.browser_user_agent_type))
 
     extensions = [extension.local_path for extension in
                   self.finder_options.extensions_to_load
@@ -101,7 +101,7 @@ class ChromeBrowserBackend(browser_backend.BrowserBackend):
     if len(component_extensions) > 0:
       args.append('--load-component-extension=%s' % component_extension_str)
 
-    if self.finder_options.no_proxy_server:
+    if self.browser_options.no_proxy_server:
       args.append('--no-proxy-server')
 
     return args