Linux: Mark ExtensionBrowserTest.PluginLoadUnload as flaky....

chrome/browser/extensions/extension_browsertests_misc.cc

 // Copyright (c) 2010 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/ref_counted.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/extensions/autoupdate_interceptor.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
@@ skipping 690 matching lines @@
       std::string("chrome-extension://") + last_loaded_extension_id_ +
           "/newtab.html");
 
   // Extension API should succeed.
   bool result = false;
   ui_test_utils::ExecuteJavaScriptAndExtractBool(
       newtab->render_view_host(), L"", L"testExtensionApi()", &result);
   EXPECT_TRUE(result);
 }
 
-#if defined(OS_WIN) || defined(OS_LINUX)
+#if defined(OS_WIN)
 #define MAYBE_PluginLoadUnload PluginLoadUnload
+#elif defined(OS_LINUX)
+// http://crbug.com/47598
+#define MAYBE_PluginLoadUnload FLAKY_PluginLoadUnload
 #else
 // TODO(mpcomplete): http://crbug.com/29900 need cross platform plugin support.
 #define MAYBE_PluginLoadUnload DISABLED_PluginLoadUnload
 #endif
 
 // Tests that a renderer's plugin list is properly updated when we load and
 // unload an extension that contains a plugin.
 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, MAYBE_PluginLoadUnload) {
   FilePath extension_dir =
       test_data_dir_.AppendASCII("uitest").AppendASCII("plugins");
@@ skipping 75 matching lines @@
 
   // If the options page hasn't already come up, wait for it.
   if (tab_strip->count() == 1) {
     ui_test_utils::WaitForNewTab(browser());
   }
   ASSERT_EQ(2, tab_strip->count());
 
   EXPECT_EQ(extension->GetResourceURL("options.html"),
             tab_strip->GetTabContentsAt(1)->GetURL());
 }