PlzNavigate: track pending commits

content/browser/frame_host/render_frame_host_manager.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/browser/frame_host/render_frame_host_manager.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 437 matching lines @@
   CommitPendingIfNecessary(render_frame_host, was_caused_by_user_gesture);
 
   // Make sure any dynamic changes to this frame's sandbox flags that were made
   // prior to navigation take effect.
   CommitPendingSandboxFlags();
 }
 
 void RenderFrameHostManager::CommitPendingIfNecessary(
     RenderFrameHostImpl* render_frame_host,
     bool was_caused_by_user_gesture) {
-  // Note: In PlzNavigate |cross_navigation_pending_| being false means there is
-  // *no* speculative RenderFrameHost set.
-  if (!cross_navigation_pending_) {
-    DCHECK(!speculative_render_frame_host_);
+  if (!cross_navigation_pending_ && !speculative_render_frame_host_) {
     DCHECK(!pending_render_frame_host_);
     DCHECK_IMPLIES(should_reuse_web_ui_, web_ui_);
 
     // We should only hear this from our current renderer.
     DCHECK_EQ(render_frame_host_, render_frame_host);
 
     // Even when there is no pending RVH, there may be a pending Web UI.
     if (pending_web_ui() || speculative_web_ui_)
       CommitPending();
     return;
@@ skipping 349 matching lines @@
   if (!navigation_rfh->IsRenderFrameLive()) {
     // Recreate the opener chain.
     int opener_route_id = delegate_->CreateOpenerRenderViewsForRenderManager(
         navigation_rfh->GetSiteInstance());
     if (!InitRenderView(navigation_rfh->render_view_host(), opener_route_id,
                         MSG_ROUTING_NONE, frame_tree_node_->IsMainFrame())) {
       return nullptr;
     }
   }
 
-  cross_navigation_pending_ = navigation_rfh != render_frame_host_.get();
   return navigation_rfh;
 }
 
 // PlzNavigate
 void RenderFrameHostManager::CleanUpNavigation() {
   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableBrowserSideNavigation));
   speculative_web_ui_.reset();
   should_reuse_web_ui_ = false;
   if (speculative_render_frame_host_)
@@ skipping 1243 matching lines @@
 void RenderFrameHostManager::DeleteRenderFrameProxyHost(
     SiteInstance* instance) {
   RenderFrameProxyHostMap::iterator iter = proxy_hosts_.find(instance->GetId());
   if (iter != proxy_hosts_.end()) {
     delete iter->second;
     proxy_hosts_.erase(iter);
   }
 }
 
 }  // namespace content