Fix callback for chrome.tabs.update with javascript URLs.

chrome/browser/extensions/execute_script_apitest.cc

Index: chrome/browser/extensions/execute_script_apitest.cc
diff --git a/chrome/browser/extensions/execute_script_apitest.cc b/chrome/browser/extensions/execute_script_apitest.cc
index ee8db03b54bf3917f6d4b1801d077ec44b9104a5..6f3f70bc53cedbca1e10fe2427ffc90a43e1e68c 100644
--- a/chrome/browser/extensions/execute_script_apitest.cc
+++ b/chrome/browser/extensions/execute_script_apitest.cc
@@ -77,16 +77,7 @@ IN_PROC_BROWSER_TEST_F(ExecuteScriptApiTest, NavigationRaceExecuteScript) {
                                   "execute_script.html")) << message_;
 }
 
-
-#if defined(OS_LINUX)
-// Fails on Linux.  http://crbug.com/89731
-#define MAYBE_NavigationRaceJavaScriptUrl DISABLED_NavigationRaceJavaScriptUrl
-#else
-#define MAYBE_NavigationRaceJavaScriptUrl NavigationRaceJavaScriptUrl
-#endif
-
-IN_PROC_BROWSER_TEST_F(ExecuteScriptApiTest,
-                       MAYBE_NavigationRaceJavaScriptUrl) {
+IN_PROC_BROWSER_TEST_F(ExecuteScriptApiTest, NavigationRaceJavaScriptURL) {
   host_resolver()->AddRule("a.com", "127.0.0.1");
   host_resolver()->AddRule("b.com", "127.0.0.1");
   ASSERT_TRUE(StartTestServer());