Bring RFH/RVH unit tests closer to reality of how RF/RV are initialized

content/test/test_render_frame_host.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 "content/test/test_render_frame_host.h"
 
 #include "base/command_line.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/navigation_request.h"
 #include "content/browser/frame_host/navigator.h"
@@ skipping 38 matching lines @@
                           render_view_host,
                           delegate,
                           rwh_delegate,
                           frame_tree,
                           frame_tree_node,
                           routing_id,
                           flags),
       child_creation_observer_(delegate ? delegate->GetAsWebContents() : NULL),
       contents_mime_type_("text/html"),
       simulate_history_list_was_cleared_(false) {
-  if (frame_tree_node_->IsMainFrame())
-    SetRenderFrameCreated(true);
 }
 
 TestRenderFrameHost::~TestRenderFrameHost() {
-  SetRenderFrameCreated(false);
 }
 
 TestRenderViewHost* TestRenderFrameHost::GetRenderViewHost() {
   return static_cast<TestRenderViewHost*>(
       RenderFrameHostImpl::GetRenderViewHost());
 }
 
 MockRenderProcessHost* TestRenderFrameHost::GetProcess() {
   return static_cast<MockRenderProcessHost*>(RenderFrameHostImpl::GetProcess());
 }
 
+void TestRenderFrameHost::InitializeRenderFrameIfNeeded() {
+  if (!render_view_host()->IsRenderViewLive()) {
+    RenderViewHostTester::For(render_view_host())->CreateRenderView(
+        base::string16(), MSG_ROUTING_NONE, MSG_ROUTING_NONE, -1, false);
+  }
+}
+
 TestRenderFrameHost* TestRenderFrameHost::AppendChild(
     const std::string& frame_name) {
   OnCreateChildFrame(GetProcess()->GetNextRoutingID(),
                      blink::WebTreeScopeType::Document, frame_name,
                      blink::WebSandboxFlags::None);
   return static_cast<TestRenderFrameHost*>(
       child_creation_observer_.last_created_frame());
 }
 
 void TestRenderFrameHost::SetContentsMimeType(const std::string& mime_type) {
@@ skipping 39 matching lines @@
 void TestRenderFrameHost::SendNavigateWithTransitionAndResponseCode(
     int page_id,
     int nav_entry_id,
     bool did_create_new_entry,
     const GURL& url,
     ui::PageTransition transition,
     int response_code) {
   // DidStartProvisionalLoad may delete the pending entry that holds |url|,
   // so we keep a copy of it to use in SendNavigateWithParameters.
   GURL url_copy(url);
-
-  // Ensure that the RenderFrameCreated notification has been sent to observers
-  // before navigating the frame.
-  SetRenderFrameCreated(true);
-
   OnDidStartProvisionalLoadForFrame(url_copy);
   SendNavigateWithParameters(page_id, nav_entry_id, did_create_new_entry,
                              url_copy, transition, url_copy, response_code, 0,
                              std::vector<GURL>());
 }
 
 void TestRenderFrameHost::SendNavigateWithOriginalRequestURL(
     int page_id,
     int nav_entry_id,
     bool did_create_new_entry,
     const GURL& url,
     const GURL& original_request_url) {
-  // Ensure that the RenderFrameCreated notification has been sent to observers
-  // before navigating the frame.
-  SetRenderFrameCreated(true);
-
   OnDidStartProvisionalLoadForFrame(url);
   SendNavigateWithParameters(page_id, nav_entry_id, did_create_new_entry, url,
                              ui::PAGE_TRANSITION_LINK, original_request_url,
                              200, 0, std::vector<GURL>());
 }
 
 void TestRenderFrameHost::SendNavigateWithFile(
     int page_id,
     int nav_entry_id,
     bool did_create_new_entry,
@@ skipping 73 matching lines @@
     bool did_create_new_entry,
     const GURL& url) {
   SendRendererInitiatedNavigationRequest(url, false);
   PrepareForCommit();
   SendNavigate(page_id, 0, did_create_new_entry, url);
 }
 
 void TestRenderFrameHost::SendRendererInitiatedNavigationRequest(
     const GURL& url,
     bool has_user_gesture) {
+  // Since this is renderer-initiated navigation, the RenderFrame must be
+  // initialized. Do it if it hasn't happened yet.
+  InitializeRenderFrameIfNeeded();
+
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableBrowserSideNavigation)) {
     BeginNavigationParams begin_params("GET", std::string(), net::LOAD_NORMAL,
                                        has_user_gesture);
     CommonNavigationParams common_params;
     common_params.url = url;
     common_params.referrer = Referrer(GURL(), blink::WebReferrerPolicyDefault);
     common_params.transition = ui::PAGE_TRANSITION_LINK;
     OnBeginNavigation(common_params, begin_params,
                       scoped_refptr<ResourceRequestBody>());
@@ skipping 45 matching lines @@
     url_loader->SimulateServerRedirect(redirect_url);
 
   // Simulate the network stack commit.
   scoped_refptr<ResourceResponse> response(new ResourceResponse);
   // TODO(carlosk): ideally with PlzNavigate it should be possible someday to
   // fully commit the navigation at this call to CallOnResponseStarted.
   url_loader->CallOnResponseStarted(response, MakeEmptyStream());
 }
 
 }  // namespace content