Update UI for extension destinations in print preview destination list

extensions/browser/api/printer_provider/printer_provider_apitest.cc

Index: extensions/browser/api/printer_provider/printer_provider_apitest.cc
diff --git a/extensions/browser/api/printer_provider/printer_provider_apitest.cc b/extensions/browser/api/printer_provider/printer_provider_apitest.cc
index 84e47f70066884d01eee542cf99be15b241cc85b..eaf9f437813ddd49bfb929debebfeaf183559282 100644
--- a/extensions/browser/api/printer_provider/printer_provider_apitest.cc
+++ b/extensions/browser/api/printer_provider/printer_provider_apitest.cc
@@ -339,6 +339,7 @@ IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest, GetPrintersSuccess) {
       "{"
       "\"description\":\"Test printer\","
       "\"extensionId\":\"%s\","
+      "\"extensionName\": \"Test printer provider\","
       "\"id\":\"%s:printer1\","
       "\"name\":\"Printer 1\""
       "}",
@@ -346,6 +347,7 @@ IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest, GetPrintersSuccess) {
   expected_printers.push_back(base::StringPrintf(
       "{"
       "\"extensionId\":\"%s\","
+      "\"extensionName\": \"Test printer provider\","
       "\"id\":\"%s:printerNoDesc\","
       "\"name\":\"Printer 2\""
       "}",
@@ -377,6 +379,7 @@ IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest, GetPrintersAsyncSuccess) {
       "{"
       "\"description\":\"Test printer\","
       "\"extensionId\":\"%s\","
+      "\"extensionName\": \"Test printer provider\","
       "\"id\":\"%s:printer1\","
       "\"name\":\"Printer 1\""
       "}",
@@ -415,6 +418,7 @@ IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest, GetPrintersTwoExtensions) {
       "{"
       "\"description\":\"Test printer\","
       "\"extensionId\":\"%s\","
+      "\"extensionName\": \"Test printer provider\","
       "\"id\":\"%s:printer1\","
       "\"name\":\"Printer 1\""
       "}",
@@ -422,6 +426,7 @@ IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest, GetPrintersTwoExtensions) {
   expected_printers.push_back(base::StringPrintf(
       "{"
       "\"extensionId\":\"%s\","
+      "\"extensionName\": \"Test printer provider\","
       "\"id\":\"%s:printerNoDesc\","
       "\"name\":\"Printer 2\""
       "}",
@@ -430,6 +435,7 @@ IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest, GetPrintersTwoExtensions) {
       "{"
       "\"description\":\"Test printer\","
       "\"extensionId\":\"%s\","
+      "\"extensionName\": \"Test printer provider\","
       "\"id\":\"%s:printer1\","
       "\"name\":\"Printer 1\""
       "}",
@@ -437,6 +443,7 @@ IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest, GetPrintersTwoExtensions) {
   expected_printers.push_back(base::StringPrintf(
       "{"
       "\"extensionId\":\"%s\","
+      "\"extensionName\": \"Test printer provider\","
       "\"id\":\"%s:printerNoDesc\","
       "\"name\":\"Printer 2\""
       "}",
@@ -508,6 +515,7 @@ IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest,
       "{"
       "\"description\":\"Test printer\","
       "\"extensionId\":\"%s\","
+      "\"extensionName\": \"Test printer provider\","
       "\"id\":\"%s:printer1\","
       "\"name\":\"Printer 1\""
       "}",
@@ -515,6 +523,7 @@ IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest,
   expected_printers.push_back(base::StringPrintf(
       "{"
       "\"extensionId\":\"%s\","
+      "\"extensionName\": \"Test printer provider\","
       "\"id\":\"%s:printerNoDesc\","
       "\"name\":\"Printer 2\""
       "}",
@@ -554,6 +563,7 @@ IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest,
       "{"
       "\"description\":\"Test printer\","
       "\"extensionId\":\"%s\","
+      "\"extensionName\": \"Test printer provider\","
       "\"id\":\"%s:printer1\","
       "\"name\":\"Printer 1\""
       "}",
@@ -561,6 +571,7 @@ IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest,
   expected_printers.push_back(base::StringPrintf(
       "{"
       "\"extensionId\":\"%s\","
+      "\"extensionName\": \"Test printer provider\","
       "\"id\":\"%s:printerNoDesc\","
       "\"name\":\"Printer 2\""
       "}",