PlzNavigate: disable RenderFrameHostManagerTest::PageDoesBackAndReload.

content/browser/frame_host/render_frame_host_manager_unittest.cc

 // Copyright 2013 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/command_line.h"
 #include "base/files/file_path.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
 #include "base/time/time.h"
 #include "content/browser/compositor/test/no_transport_image_transport_factory.h"
@@ skipping 1198 matching lines @@
   const GURL kUrl2("http://www.google.com");
   contents()->NavigateAndCommit(kUrl2);
   EXPECT_FALSE(main_test_rfh()->frame_tree_node()->render_manager()->web_ui());
 }
 
 // Tests that we don't end up in an inconsistent state if a page does a back and
 // then reload. http://crbug.com/51680
 // Also tests that only user-gesture navigations can interrupt cross-process
 // navigations. http://crbug.com/75195
 TEST_F(RenderFrameHostManagerTest, PageDoesBackAndReload) {
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableBrowserSideNavigation)) {
+    // PlzNavigate uses a significantly different logic for renderer initiated
+    // navigations and navigation cancellation. Adapting this test would make it
+    // full of special cases and almost unreadable.
+    // There are tests that exercise these concerns for PlzNavigate, all from
+    // NavigatorTestWithBrowserSideNavigation:
+    // - BrowserInitiatedNavigationCancel
+    // - RendererUserInitiatedNavigationCancel
+    // - RendererNonUserInitiatedNavigationDoesntCancelRendererUserInitiated
+    // - RendererNonUserInitiatedNavigationDoesntCancelBrowserInitiated
+    // - RendererNonUserInitiatedNavigationCancelSimilarNavigation
+    SUCCEED() << "Test is not applicable with browser side navigation enabled";
+    return;
+  }
   const GURL kUrl1("http://www.google.com/");
   const GURL kUrl2("http://www.evil-site.com/");
 
   // Navigate to a safe site, then an evil site.
   // This will switch RenderFrameHosts.  We cannot assert that the first and
   // second RFHs are different, though, because the first one may be promptly
   // deleted.
   contents()->NavigateAndCommit(kUrl1);
   contents()->NavigateAndCommit(kUrl2);
   TestRenderFrameHost* evil_rfh = contents()->GetMainFrame();
@@ skipping 984 matching lines @@
   EXPECT_FALSE(contents2->GetMainFrame()->IsRenderFrameLive());
   contents2->NavigateAndCommit(kUrl3);
   EXPECT_TRUE(contents2->GetMainFrame()->IsRenderFrameLive());
   EXPECT_NE(nullptr,
             iframe->GetRenderFrameProxyHost(contents1->GetSiteInstance()));
   EXPECT_EQ(nullptr,
             iframe->GetRenderFrameProxyHost(contents2->GetSiteInstance()));
 }
 
 }  // namespace content