Disable a test that fails under ASan and MSan

It can be flaky in other configurations as well

BUG=467483
TBR=nasko

Review URL: https://codereview.chromium.org/1007293002

Cr-Commit-Position: refs/heads/master@{#320713}

chrome/browser/extensions/api/web_navigation/web_navigation_apitest.cc

@@ -608,7 +608,8 @@ IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, History) {
   ASSERT_TRUE(RunExtensionTest("webnavigation/history")) << message_;
 }
 
-IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, CrossProcess) {
+// Disabled because of http://crbug.com/467483
+IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, DISABLED_CrossProcess) {
   ASSERT_TRUE(StartEmbeddedTestServer());
 
   LoadExtension(test_data_dir_.AppendASCII("webnavigation").AppendASCII("app"));