Disable flaky SitePerProcessBrowserTest.CrashSubframe test.

content/browser/site_per_process_browsertest.cc

 // Copyright (c) 2012 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 "content/browser/site_per_process_browsertest.h"
 
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
@@ skipping 559 matching lines @@
     // Make sure proxy B stays around in root and node3.
     EXPECT_TRUE(root->render_manager()->GetRenderFrameProxyHost(
                     site_instance_b));
     EXPECT_TRUE(root->child_at(1)->render_manager()->GetRenderFrameProxyHost(
                     site_instance_b));
   }
 }
 
 // Crash a subframe and ensures its children are cleared from the FrameTree.
 // See http://crbug.com/338508.
-IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest, CrashSubframe) {
+// TODO(creis): Disabled for flakiness; see http://crbug.com/405582.
+IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest, DISABLED_CrashSubframe) {
   GURL main_url(embedded_test_server()->GetURL("/site_per_process_main.html"));
   NavigateToURL(shell(), main_url);
 
   StartFrameAtDataURL();
 
   // These must stay in scope with replace_host.
   GURL::Replacements replace_host;
   std::string foo_com("foo.com");
 
   // Load cross-site page into iframe.
@@ skipping 720 matching lines @@
   params.frame_tree_node_id = child->frame_tree_node_id();
   child->navigator()->GetController()->LoadURLWithParams(params);
   nav_observer.Wait();
 
   // Verify that the navigation succeeded and the expected URL was loaded.
   EXPECT_TRUE(observer.last_navigation_succeeded());
   EXPECT_EQ(url, observer.last_navigation_url());
 }
 
 }  // namespace content