Use embedded test server instead of spawned one in AllUrlsApiTest.

This prevents file lock problems on those tests shutdown on windows.

BUG=427420

Review URL: https://codereview.chromium.org/682593002

Cr-Commit-Position: refs/heads/master@{#301340}

chrome/browser/extensions/all_urls_apitest.cc

@@ -14,9 +14,9 @@
 #include "extensions/common/extension.h"
 #include "extensions/common/extensions_client.h"
 #include "extensions/test/extension_test_message_listener.h"
+#include "net/test/embedded_test_server/embedded_test_server.h"
 
-const std::string kAllUrlsTarget =
-    "files/extensions/api_test/all_urls/index.html";
+const std::string kAllUrlsTarget = "/extensions/api_test/all_urls/index.html";
 
 typedef ExtensionApiTest AllUrlsApiTest;
 
@@ -88,8 +88,8 @@ IN_PROC_BROWSER_TEST_F(AllUrlsApiTest, MAYBE_WhitelistedExtension) {
   ASSERT_TRUE(listener4b.WaitUntilSatisfied());
 
   // Now verify we can script a regular http page.
-  ASSERT_TRUE(test_server()->Start());
-  GURL page_url = test_server()->GetURL(kAllUrlsTarget);
+  ASSERT_TRUE(StartEmbeddedTestServer());
+  GURL page_url = embedded_test_server()->GetURL(kAllUrlsTarget);
   ExtensionTestMessageListener listener5a("content script: " + page_url.spec(),
                                           false);
   ExtensionTestMessageListener listener5b("execute: " + page_url.spec(), false);
@@ -115,8 +115,8 @@ IN_PROC_BROWSER_TEST_F(AllUrlsApiTest, RegularExtensions) {
   EXPECT_EQ(size_before + 2, service->extensions()->size());
 
   // Now verify we can script a regular http page.
-  ASSERT_TRUE(test_server()->Start());
-  GURL page_url = test_server()->GetURL(kAllUrlsTarget);
+  ASSERT_TRUE(StartEmbeddedTestServer());
+  GURL page_url = embedded_test_server()->GetURL(kAllUrlsTarget);
   ExtensionTestMessageListener listener1a("content script: " + page_url.spec(),
                                           false);
   ExtensionTestMessageListener listener1b("execute: " + page_url.spec(), false);