GTTF: convert some tests in chrome to use EmbeddedTestServer patch nr 1

chrome/browser/extensions/platform_app_browsertest.cc

Index: chrome/browser/extensions/platform_app_browsertest.cc
diff --git a/chrome/browser/extensions/platform_app_browsertest.cc b/chrome/browser/extensions/platform_app_browsertest.cc
index 2b88475d157fad5a946465087e627259f2c9b143..f1dc4eab7d40c88cb1442fea22394791ef3b689b 100644
--- a/chrome/browser/extensions/platform_app_browsertest.cc
+++ b/chrome/browser/extensions/platform_app_browsertest.cc
@@ -42,6 +42,7 @@
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents_view.h"
 #include "content/public/test/test_utils.h"
+#include "net/test/embedded_test_server/embedded_test_server.h"
 #include "googleurl/src/gurl.h"
 
 using content::WebContents;
@@ -345,8 +346,8 @@ IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, Isolation) {
   ASSERT_TRUE(StartTestServer());
 
   // Load a (non-app) page under the "localhost" origin that sets a cookie.
-  GURL set_cookie_url = test_server()->GetURL(
-      "files/extensions/platform_apps/isolation/set_cookie.html");
+  GURL set_cookie_url = embedded_test_server()->GetURL(
+      "/extensions/platform_apps/isolation/set_cookie.html");
   GURL::Replacements replace_host;
   std::string host_str("localhost");  // Must stay in scope with replace_host.
   replace_host.SetHostStr(host_str);