OOPIF: History navigations for new child frames.

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 793 matching lines @@
 
 void RenderFrameHostImpl::OnDetach() {
   frame_tree_->RemoveFrame(frame_tree_node_);
 }
 
 void RenderFrameHostImpl::OnFrameFocused() {
   frame_tree_->SetFocusedFrame(frame_tree_node_);
 }
 
 void RenderFrameHostImpl::OnOpenURL(const FrameHostMsg_OpenURL_Params& params) {
+  if (params.is_history_navigation_in_new_child) {
+    DCHECK(SiteIsolationPolicy::UseSubframeNavigationEntries());
+
+    // Try to find a FrameNavigationEntry that matches this frame instead, based
+    // on the frame's unique name.  If this can't be found, fall back to the
+    // default params using OpenURL below.
+    if (frame_tree_node_->navigator()->NavigateNewChildFrame(
+            this, params.frame_unique_name))
+      return;
+  }
+
   OpenURL(params, GetSiteInstance());
 }
 
 void RenderFrameHostImpl::OnDocumentOnLoadCompleted(
     FrameMsg_UILoadMetricsReportType::Value report_type,
     base::TimeTicks ui_timestamp) {
   if (report_type == FrameMsg_UILoadMetricsReportType::REPORT_LINK) {
     UMA_HISTOGRAM_CUSTOM_TIMES("Navigation.UI_OnLoadComplete.Link",
                                base::TimeTicks::Now() - ui_timestamp,
                                base::TimeDelta::FromMilliseconds(10),
@@ skipping 1668 matching lines @@
   *dst = src;
 
   if (src.routing_id != -1)
     dst->tree_id = RoutingIDToAXTreeID(src.routing_id);
 
   if (src.parent_routing_id != -1)
     dst->parent_tree_id = RoutingIDToAXTreeID(src.parent_routing_id);
 }
 
 }  // namespace content