ChromeOS: Implement Network Selection screen of material design OOBE.

chrome/test/base/web_ui_browser_test.cc

Index: chrome/test/base/web_ui_browser_test.cc
diff --git a/chrome/test/base/web_ui_browser_test.cc b/chrome/test/base/web_ui_browser_test.cc
index 4a55e86fc2e041d9b37aca86663e4c6dc6f2a426..77af67c2b0f92bd976e263969e66b13e13f3b59c 100644
--- a/chrome/test/base/web_ui_browser_test.cc
+++ b/chrome/test/base/web_ui_browser_test.cc
@@ -458,6 +458,10 @@ bool WebUIBrowserTest::RunJavascriptUsingHandler(
   else
     test_handler_->RunJavaScript(content);
 
+  for (const auto& msg : error_messages_.Get()) {
+    LOG(ERROR) << "Encountered javascript console error: '" << msg << "'";
+  }
+
   if (error_messages_.Get().size() > 0) {
     LOG(ERROR) << "Encountered javascript console error(s)";
     result = false;