Don’t reset the page id when the browser takes the navigation.

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 3471 matching lines @@
             .browser_handles_non_local_top_level_requests
         && IsNonLocalTopLevelNavigation(url, info.frame, info.navigationType,
                                         is_form_post);
     if (!browser_handles_request) {
       browser_handles_request = IsTopLevelNavigation(info.frame) &&
           render_view_->renderer_preferences_
               .browser_handles_all_top_level_requests;
     }
 
     if (browser_handles_request) {
-      // Reset these counters as the RenderView could be reused for the next
-      // navigation.
-      render_view_->page_id_ = -1;
-      render_view_->last_page_id_sent_to_browser_ = -1;
       OpenURL(info.frame, url, referrer, info.defaultPolicy);
       return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
     }
   }
 
   // Use the frame's original request's URL rather than the document's URL for
   // subsequent checks.  For a popup, the document's URL may become the opener
   // window's URL if the opener has called document.write().
   // See http://crbug.com/93517.
   GURL old_url(info.frame->dataSource()->request().url());
@@ skipping 314 matching lines @@
 
 #if defined(ENABLE_BROWSER_CDMS)
 RendererCdmManager* RenderFrameImpl::GetCdmManager() {
   if (!cdm_manager_)
     cdm_manager_ = new RendererCdmManager(this);
   return cdm_manager_;
 }
 #endif  // defined(ENABLE_BROWSER_CDMS)
 
 }  // namespace content