MAGETWO-50902: PayPal In-Context Checkout shows "Continue" title instead of "Pay Now" when customer pays now

Author: rliukshyn

app/code/Magento/Paypal/Controller/Express/AbstractExpress/Start.php

@@ -21,7 +21,6 @@ class Start extends GetToken
     public function execute()
     {
         try {
-
             $token = $this->getToken();
             if ($token === null) {
 

app/code/Magento/Paypal/Controller/Express/GetToken.php

@@ -53,8 +53,9 @@ public function execute()
             if ($token === null) {
                 $token = false;
             }
+            $url = $this->_checkout->getRedirectUrl();
             $this->_initToken($token);
-            $controllerResult->setData(['token' => $token]);
+            $controllerResult->setData(['url' => $url]);
         } catch (LocalizedException $exception) {
             $this->messageManager->addExceptionMessage(
                 $exception,

app/code/Magento/Paypal/view/frontend/web/js/in-context/express-checkout.js

@@ -42,8 +42,8 @@ define(
                             }
                         ).done(
                             function (response) {
-                                if (response && response.token) {
-                                    paypalExpressCheckout.checkout.startFlow(response.token);
+                                if (response && response.url) {
+                                    paypalExpressCheckout.checkout.startFlow(response.url);
 
                                     return;
                                 }

app/code/Magento/Paypal/view/frontend/web/js/view/payment/method-renderer/in-context/checkout-express.js

@@ -52,8 +52,8 @@ define(
                                         }
                                     ).done(
                                         function (response) {
-                                            if (response && response.token) {
-                                                paypalExpressCheckout.checkout.startFlow(response.token);
+                                            if (response && response.url) {
+                                                paypalExpressCheckout.checkout.startFlow(response.url);
 
                                                 return;
                                             }