Provide WebContents::CreateParams to tab helpers.

chrome/browser/ui/browser.cc

 // Copyright 2012 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 "chrome/browser/ui/browser.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 1677 matching lines @@
     // If a BackgroundContents is created, suppress the normal WebContents.
     return !MaybeCreateBackgroundContents(
         source_site_instance, opener_url, route_id, main_frame_route_id,
         main_frame_widget_route_id, frame_name, target_url, partition_id,
         session_storage_namespace);
   }
 
   return true;
 }
 
-void Browser::WebContentsCreated(WebContents* source_contents,
-                                 int opener_render_process_id,
-                                 int opener_render_frame_id,
-                                 const std::string& frame_name,
-                                 const GURL& target_url,
-                                 WebContents* new_contents) {
+void Browser::WebContentsCreated(
+    WebContents* source_contents,
+    int opener_render_process_id,
+    int opener_render_frame_id,
+    const std::string& frame_name,
+    const GURL& target_url,
+    WebContents* new_contents,
+    const base::Optional<WebContents::CreateParams>& create_params) {
   // Adopt the WebContents now, so all observers are in place, as the network
   // requests for its initial navigation will start immediately. The WebContents
   // will later be inserted into this browser using Browser::Navigate via
   // AddNewContents.
-  TabHelpers::AttachTabHelpers(new_contents);
+  TabHelpers::AttachTabHelpers(new_contents, create_params);
 
   // Make the tab show up in the task manager.
   task_manager::WebContentsTags::CreateForTabContents(new_contents);
 }
 
 void Browser::RendererUnresponsive(
     WebContents* source,
     const content::WebContentsUnresponsiveState& unresponsive_state) {
   // Ignore hangs if a tab is blocked.
   int index = tab_strip_model_->GetIndexOfWebContents(source);
@@ skipping 907 matching lines @@
     // new window later, thus we need to navigate the window now.
     if (contents) {
       contents->web_contents()->GetController().LoadURL(
           target_url, content::Referrer(), ui::PAGE_TRANSITION_LINK,
           std::string());  // No extra headers.
     }
   }
 
   return contents != NULL;
 }