Make WebUI webview content script work with incognito.

extensions/browser/guest_view/web_view/web_view_content_script_manager.cc

 // Copyright 2015 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 "extensions/browser/guest_view/web_view/web_view_content_script_manager.h"
 
 #include "base/lazy_instance.h"
 #include "base/memory/linked_ptr.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 104 matching lines @@
     const std::set<UserScript>& scripts) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(embedder_web_contents);
 
   DeclarativeUserScriptMaster* master =
       ExtensionSystem::Get(browser_context_)
           ->declarative_user_script_manager()
           ->GetDeclarativeUserScriptMasterByID(host_id);
   DCHECK(master);
 
+  bool is_incognito = browser_context_->IsOffTheRecord();
+
   // We need to update WebViewRenderState in the IO thread if the guest exists.
   std::set<int> ids_to_add;
 
   int embedder_process_id =
       embedder_web_contents->GetRenderProcessHost()->GetID();
   GuestMapKey key = std::pair<int, int>(embedder_process_id, view_instance_id);
   GuestContentScriptMap::iterator iter = guest_content_script_map_.find(key);
 
   // Step 1: finds the entry in guest_content_script_map_ by the given |key|.
   // If there isn't any content script added for the given guest yet, insert an
@@ skipping 12 matching lines @@
     // script first, and insert the new one.
     if (map_iter != map.end()) {
       master->RemoveScript(map_iter->second);
       map.erase(map_iter);
     }
     map.insert(std::pair<std::string, UserScript>(script.name(), script));
     ids_to_add.insert(script.id());
   }
 
   // Step 3: adds new scripts to the master.
-  master->AddScripts(scripts, embedder_process_id, embedder_routing_id);
+  master->AddScripts(
+      scripts, embedder_process_id, embedder_routing_id, is_incognito);
 
   // Step 4: creates owner web contents observer for the given
   // |embedder_web_contents| if it doesn't exist.
   auto observer_iter =
       owner_web_contents_observer_map_.find(embedder_web_contents);
   if (observer_iter == owner_web_contents_observer_map_.end()) {
     linked_ptr<OwnerWebContentsObserver> observer(
         new OwnerWebContentsObserver(embedder_web_contents, host_id, this));
     observer->add_view_instance_id(view_instance_id);
     owner_web_contents_observer_map_[embedder_web_contents] = observer;
@@ skipping 93 matching lines @@
   if (iter == guest_content_script_map_.end())
     return ids;
   const ContentScriptMap& map = iter->second;
   for (const auto& pair : map)
     ids.insert(pair.second.id());
 
   return ids;
 }
 
 }  // namespace extensions