Fix regression: clicking network on the network screen does not continue to the next screen.

Regression was introduced by network screen refacoring at:
https://chromium.googlesource.com/chromium/src/+/1001fd375442428751b18f3fed991c77874b92eb

Bug: 862445, 870227
Test: DemoSetupTest
Change-Id: I993734fe3d62bd6903454208563e60cff1ba702e
Reviewed-on: https://chromium-review.googlesource.com/1157701
Commit-Queue: Aga Wronska <agawronska@chromium.org>
Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580563}

chrome/browser/chromeos/login/demo_setup_browsertest.cc

@@ -45,6 +45,8 @@ constexpr char kIsConfirmationDialogHiddenQuery[] =
     "!!document.querySelector('.cr-dialog-container').hidden";
 
 constexpr char kDefaultNetworkServicePath[] = "/service/eth1";
+constexpr char kDefaultNetworkName[] = "eth1";
+
 constexpr base::TimeDelta kJsConditionCheckFrequency =
     base::TimeDelta::FromMilliseconds(200);
 
@@ -618,6 +620,32 @@ IN_PROC_BROWSER_TEST_F(DemoSetupTest, NextDisabledOnNetworkScreen) {
   EXPECT_TRUE(IsScreenShown(OobeScreen::SCREEN_OOBE_NETWORK));
 }
 
+IN_PROC_BROWSER_TEST_F(DemoSetupTest, ClickNetworkOnNetworkScreen) {
+  SkipToScreen(OobeScreen::SCREEN_OOBE_NETWORK);
+  EXPECT_FALSE(IsScreenDialogElementEnabled(
+      OobeScreen::SCREEN_OOBE_NETWORK, DemoSetupDialog::kNetwork,
+      ButtonToStringId(OobeButton::kNext)));
+
+  ClickNetworkListElement(kDefaultNetworkName);
+  SimulateNetworkConnected();
+
+  OobeScreenWaiter(OobeScreen::SCREEN_OOBE_EULA).Wait();
+  EXPECT_TRUE(IsScreenShown(OobeScreen::SCREEN_OOBE_EULA));
+}
+
+IN_PROC_BROWSER_TEST_F(DemoSetupTest, ClickConnectedNetworkOnNetworkScreen) {
+  SimulateNetworkConnected();
+  SkipToScreen(OobeScreen::SCREEN_OOBE_NETWORK);
+  EXPECT_TRUE(IsScreenDialogElementEnabled(
+      OobeScreen::SCREEN_OOBE_NETWORK, DemoSetupDialog::kNetwork,
+      ButtonToStringId(OobeButton::kNext)));
+
+  ClickNetworkListElement(kDefaultNetworkName);
+
+  OobeScreenWaiter(OobeScreen::SCREEN_OOBE_EULA).Wait();
+  EXPECT_TRUE(IsScreenShown(OobeScreen::SCREEN_OOBE_EULA));
+}
+
 IN_PROC_BROWSER_TEST_F(DemoSetupTest, BackOnNetworkScreen) {
   SimulateNetworkConnected();
   SkipToScreen(OobeScreen::SCREEN_OOBE_NETWORK);

chrome/browser/resources/chromeos/login/network_select_login.js

@@ -166,7 +166,7 @@ Polymer({
    */
   onSelectedNetworkConnected_: function() {
     this.networkLastSelectedGuid_ = '';
-    chrome.send('login.WelcomeScreen.userActed', ['continue']);
+    chrome.send('login.NetworkScreen.userActed', ['continue']);
   },
 
   /**