extensions: disable a flaky ExtensionFetchTest

chrome/browser/extensions/fetch_apitest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/files/file_path.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/test_extension_dir.h"
 #include "chrome/browser/ui/browser_navigator_params.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
@@ skipping 77 matching lines @@
       "}");
   const Extension* extension = WriteFilesAndLoadTestExtension(&dir);
   ASSERT_TRUE(extension);
 
   EXPECT_EQ(
       "text content",
       ExecuteScriptInBackgroundPage(
           extension->id(), GetFetchScript("chrome.runtime.getURL('text')")));
 }
 
-IN_PROC_BROWSER_TEST_F(ExtensionFetchTest,
-                       ExtensionCanFetchHostedResourceWithHostPermissions) {
+// Disabled: https://crbug.com/709466
+IN_PROC_BROWSER_TEST_F(
+    ExtensionFetchTest,
+    DISABLED_ExtensionCanFetchHostedResourceWithHostPermissions) {
   TestExtensionDir dir;
   dir.WriteManifestWithSingleQuotes(
       "{"
       "'background': {'scripts': ['bg.js']},"
       "'manifest_version': 2,"
       "'name': 'ExtensionCanFetchHostedResourceWithHostPermissions',"
       "'permissions': ['http://example.com/*'],"
       "'version': '1'"
       "}");
   const Extension* extension = WriteFilesAndLoadTestExtension(&dir);
@@ skipping 75 matching lines @@
   ASSERT_TRUE(content::ExecuteScriptAndExtractString(
       empty_tab,
       GetFetchScript(GetQuotedURL(extension->GetResourceURL("text"))),
       &fetch_result));
   EXPECT_EQ("TypeError: Failed to fetch", fetch_result);
 }
 
 }  // namespace
 
 }  // namespace extensions