PlzNavigate: Refactor unit test helper functions

content/test/test_web_contents.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/test/test_web_contents.h"
 
 #include <utility>
 
+#include "base/command_line.h"
 #include "content/browser/browser_url_handler_impl.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
+#include "content/browser/frame_host/navigation_request.h"
 #include "content/browser/frame_host/navigator.h"
+#include "content/browser/frame_host/navigator_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/site_instance_impl.h"
-#include "content/common/frame_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
+#include "content/public/browser/stream_handle.h"
+#include "content/public/common/content_switches.h"
 #include "content/public/common/page_state.h"
 #include "content/public/test/mock_render_process_host.h"
+#include "content/test/browser_side_navigation_test_utils.h"
+#include "content/test/test_navigation_url_loader.h"
 #include "content/test/test_render_view_host.h"
 #include "ui/base/page_transition_types.h"
 
 namespace content {
 
 TestWebContents::TestWebContents(BrowserContext* browser_context)
     : WebContentsImpl(browser_context, NULL),
       delegate_view_override_(NULL),
       expect_set_history_length_and_prune_(false),
       expect_set_history_length_and_prune_site_instance_(NULL),
@@ skipping 84 matching lines @@
 }
 
 WebContents* TestWebContents::Clone() {
   WebContentsImpl* contents =
       Create(GetBrowserContext(), SiteInstance::Create(GetBrowserContext()));
   contents->GetController().CopyStateFrom(controller_);
   return contents;
 }
 
 void TestWebContents::NavigateAndCommit(const GURL& url) {
+  bool has_live_renderer = GetMainFrame()->IsRenderFrameLive();
   GetController().LoadURL(
       url, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
   GURL loaded_url(url);
   bool reverse_on_redirect = false;
   BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
       &loaded_url, GetBrowserContext(), &reverse_on_redirect);
 
+  // PlzNavigate
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableBrowserSideNavigation)) {
+    // Simulate the renderer response if there was a live renderer when the
+    // navigation started. Otherwise, it will have been sent directly to the
+    // network stack.
+    if (has_live_renderer)
+      GetMainFrame()->SendBeginNavigationWithURL(url);
+
+    // Now simulate the network stack commit without any redirects. This will
+    // cause the navigation to commit at the same url.
+    FrameTreeNode* frame_tree_node = GetMainFrame()->frame_tree_node();
+    NavigationRequest* request =
+        static_cast<NavigatorImpl*>(frame_tree_node->navigator())
+            ->GetNavigationRequestForNodeForTesting(frame_tree_node);
+    TestNavigationURLLoader* url_loader =
+        static_cast<TestNavigationURLLoader*>(request->loader_for_testing());
+    scoped_refptr<ResourceResponse> response(new ResourceResponse);
+    url_loader->CallOnResponseStarted(
+        response, BrowserSideNavigationTestUtils::MakeEmptyStream());
+  }
+
   // LoadURL created a navigation entry, now simulate the RenderView sending
   // a notification that it actually navigated.
   CommitPendingNavigation();
 }
 
 void TestWebContents::TestSetIsLoading(bool value) {
   SetIsLoading(GetRenderViewHost(), value, true, NULL);
 }
 
 void TestWebContents::CommitPendingNavigation() {
@@ skipping 107 matching lines @@
 }
 
 void TestWebContents::ShowCreatedWidget(int route_id,
                                         const gfx::Rect& initial_pos) {
 }
 
 void TestWebContents::ShowCreatedFullscreenWidget(int route_id) {
 }
 
 }  // namespace content