Revert of Classify navigations without page id in parallel to the existing classifier.

content/renderer/render_frame_impl.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/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 2580 matching lines @@
         !navigation_state->start_params().should_replace_current_entry) {
       // Advance our offset in session history, applying the length limit.
       // There is now no forward history.
       render_view_->history_list_offset_++;
       if (render_view_->history_list_offset_ >= kMaxSessionHistoryEntries)
         render_view_->history_list_offset_ = kMaxSessionHistoryEntries - 1;
       render_view_->history_list_length_ =
           render_view_->history_list_offset_ + 1;
     }
   } else {
-    if (navigation_state->request_params().page_id != -1) {
+    // Inspect the navigation_state on this frame to see if the navigation
+    // corresponds to a session history navigation...  Note: |frame| may or
+    // may not be the toplevel frame, but for the case of capturing session
+    // history, the first committed frame suffices.  We keep track of whether
+    // we've seen this commit before so that only capture session history once
+    // per navigation.
+    //
+    // Note that we need to check if the page ID changed. In the case of a
+    // reload, the page ID doesn't change, and UpdateSessionHistory gets the
+    // previous URL and the current page ID, which would be wrong.
+    if (navigation_state->request_params().page_id != -1 &&
+        navigation_state->request_params().page_id != render_view_->page_id_) {
       // This is a successful session history navigation!
       render_view_->page_id_ = navigation_state->request_params().page_id;
 
       render_view_->history_list_offset_ =
           navigation_state->request_params().pending_history_list_offset;
     }
   }
 
   bool sent = Send(
       new FrameHostMsg_DidAssignPageId(routing_id_, render_view_->page_id_));
@@ skipping 1137 matching lines @@
   DocumentState* document_state = DocumentState::FromDataSource(ds);
   NavigationStateImpl* navigation_state =
       static_cast<NavigationStateImpl*>(document_state->navigation_state());
   InternalDocumentStateData* internal_data =
       InternalDocumentStateData::FromDocumentState(document_state);
 
   FrameHostMsg_DidCommitProvisionalLoad_Params params;
   params.http_status_code = response.httpStatusCode();
   params.url_is_unreachable = ds->hasUnreachableURL();
   params.is_post = false;
-  params.intended_as_new_entry =
-      navigation_state->request_params().intended_as_new_entry;
-  params.did_create_new_entry = commit_type == blink::WebStandardCommit;
   params.post_id = -1;
   params.page_id = render_view_->page_id_;
-  params.nav_entry_id = navigation_state->request_params().nav_entry_id;
   // We need to track the RenderViewHost routing_id because of downstream
   // dependencies (crbug.com/392171 DownloadRequestHandle, SaveFileManager,
   // ResourceDispatcherHostImpl, MediaStreamUIProxy,
   // SpeechRecognitionDispatcherHost and possibly others). They look up the view
   // based on the ID stored in the resource requests. Once those dependencies
   // are unwound or moved to RenderFrameHost (crbug.com/304341) we can move the
   // client to be based on the routing_id of the RenderFrameHost.
   params.render_view_routing_id = render_view_->routing_id();
   params.socket_address.set_host(response.remoteIPAddress().utf8());
   params.socket_address.set_port(response.remotePort());
@@ skipping 585 matching lines @@
     if (reload_original_url)
       frame_->reloadWithOverrideURL(common_params.url, true);
     else
       frame_->reload(ignore_cache);
   } else if (is_history_navigation && !browser_side_navigation) {
     // TODO(clamy): adapt this code for PlzNavigate. In particular the stream
     // override should be given to the generated request.
 
     // We must know the page ID of the page we are navigating back to.
     DCHECK_NE(request_params.page_id, -1);
-    // We must know the nav entry ID of the page we are navigating back to,
-    // which should be the case because history navigations are routed via the
-    // browser.
-    DCHECK_NE(0, request_params.nav_entry_id);
     scoped_ptr<HistoryEntry> entry =
         PageStateToHistoryEntry(request_params.page_state);
     if (entry) {
       // Ensure we didn't save the swapped out URL in UpdateState, since the
       // browser should never be telling us to navigate to swappedout://.
       CHECK(entry->root().urlString() != WebString::fromUTF8(kSwappedOutURL));
       scoped_ptr<NavigationParams> navigation_params(
           new NavigationParams(*pending_navigation_params_.get()));
       render_view_->history_controller()->GoToEntry(
           entry.Pass(), navigation_params.Pass(), cache_policy);
@@ skipping 451 matching lines @@
 #elif defined(ENABLE_BROWSER_CDMS)
         cdm_manager_,
 #endif
         this);
   }
 
   return cdm_factory_;
 }
 
 }  // namespace content