PlzNavigate: identify same-page browser-initiated navigation.

content/browser/frame_host/render_frame_host_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/browser/frame_host/render_frame_host_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 2539 matching lines @@
 // PlzNavigate
 void RenderFrameHostImpl::CommitNavigation(
     ResourceResponse* response,
     std::unique_ptr<StreamHandle> body,
     const CommonNavigationParams& common_params,
     const RequestNavigationParams& request_params,
     bool is_view_source) {
   DCHECK((response && body.get()) ||
          common_params.url.SchemeIs(url::kDataScheme) ||
          !ShouldMakeNetworkRequestForURL(common_params.url) ||
+         request_params.is_same_document_navigation ||
          IsRendererDebugURL(common_params.url));
   UpdatePermissionsForNavigation(common_params, request_params);
 
   // Get back to a clean state, in case we start a new navigation without
   // completing an unload handler.
   ResetWaitingState();
 
   // The renderer can exit view source mode when any error or cancellation
   // happen. When reusing the same renderer, overwrite to recover the mode.
   if (is_view_source &&
       this == frame_tree_node_->render_manager()->current_frame_host()) {
     DCHECK(!GetParent());
     render_view_host()->Send(new FrameMsg_EnableViewSourceMode(routing_id_));
   }
 
   const GURL body_url = body.get() ? body->GetURL() : GURL();
   const ResourceResponseHead head = response ?
       response->head : ResourceResponseHead();
   Send(new FrameMsg_CommitNavigation(routing_id_, head, body_url, common_params,
                                      request_params));
 
   // If a network request was made, update the LoFi state.
-  if (ShouldMakeNetworkRequestForURL(common_params.url))
+  if (ShouldMakeNetworkRequestForURL(common_params.url) &&
+      !request_params.is_same_document_navigation)

[clamy, 2016/12/20 15:16:22]

Please add curly braces since the if condition spans more than one line.

[arthursonzogni, 2016/12/21 10:12:42]

Done.

     last_navigation_lofi_state_ = common_params.lofi_state;
 
   // TODO(clamy): Release the stream handle once the renderer has finished
   // reading it.
   stream_handle_ = std::move(body);
 
   // When navigating to a debug url, no commit is expected from the
   // RenderFrameHost, nor should the throbber start. The NavigationRequest is
   // also not stored in the FrameTreeNode. Therefore do not reset it, as this
   // could cancel an existing pending navigation.
@@ skipping 723 matching lines @@
   // There is no pending NavigationEntry in these cases, so pass 0 as the
   // pending_nav_entry_id. If the previous handle was a prematurely aborted
   // navigation loaded via LoadDataWithBaseURL, propagate the entry id.
   return NavigationHandleImpl::Create(
       params.url, frame_tree_node_, is_renderer_initiated,
       params.was_within_same_page, base::TimeTicks::Now(),
       entry_id_for_data_nav, false);  // started_from_context_menu
 }
 
 }  // namespace content