Add is_srcdoc to FrameNavigationEntry and restore about::srcdoc URL.

content/browser/frame_host/frame_navigation_entry.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 "content/browser/frame_host/frame_navigation_entry.h"
 
 #include <utility>
 
 #include "content/common/page_state_serialization.h"
 #include "content/common/site_isolation_policy.h"
 
 namespace content {
 
 FrameNavigationEntry::FrameNavigationEntry()
     : item_sequence_number_(-1), document_sequence_number_(-1), post_id_(-1) {}
 
 FrameNavigationEntry::FrameNavigationEntry(
     const std::string& frame_unique_name,
     int64_t item_sequence_number,
     int64_t document_sequence_number,
     scoped_refptr<SiteInstanceImpl> site_instance,
     scoped_refptr<SiteInstanceImpl> source_site_instance,
     const GURL& url,
     const Referrer& referrer,
     const std::string& method,
-    int64_t post_id)
+    int64_t post_id,
+    bool is_srcdoc)
     : frame_unique_name_(frame_unique_name),
       item_sequence_number_(item_sequence_number),
       document_sequence_number_(document_sequence_number),
       site_instance_(std::move(site_instance)),
       source_site_instance_(std::move(source_site_instance)),
       url_(url),
       referrer_(referrer),
       method_(method),
-      post_id_(post_id) {}
+      post_id_(post_id),
+      is_srcdoc_(is_srcdoc) {}
 
 FrameNavigationEntry::~FrameNavigationEntry() {
 }
 
 FrameNavigationEntry* FrameNavigationEntry::Clone() const {
   FrameNavigationEntry* copy = new FrameNavigationEntry();
 
   // Omit any fields cleared at commit time.
   copy->UpdateEntry(frame_unique_name_, item_sequence_number_,
                     document_sequence_number_, site_instance_.get(), nullptr,
                     url_, referrer_, redirect_chain_, page_state_, method_,
-                    post_id_);
+                    post_id_, is_srcdoc_);
   return copy;
 }
 
 void FrameNavigationEntry::UpdateEntry(
     const std::string& frame_unique_name,
     int64_t item_sequence_number,
     int64_t document_sequence_number,
     SiteInstanceImpl* site_instance,
     scoped_refptr<SiteInstanceImpl> source_site_instance,
     const GURL& url,
     const Referrer& referrer,
     const std::vector<GURL>& redirect_chain,
     const PageState& page_state,
     const std::string& method,
-    int64_t post_id) {
+    int64_t post_id,
+    bool is_srcdoc) {
   frame_unique_name_ = frame_unique_name;
   item_sequence_number_ = item_sequence_number;
   document_sequence_number_ = document_sequence_number;
   site_instance_ = site_instance;
   source_site_instance_ = std::move(source_site_instance);
   redirect_chain_ = redirect_chain;
   url_ = url;
   referrer_ = referrer;
   page_state_ = page_state;
   method_ = method;
   post_id_ = post_id;
+  is_srcdoc_ = is_srcdoc;
 }
 
 void FrameNavigationEntry::set_item_sequence_number(
     int64_t item_sequence_number) {
   // TODO(creis): Assert that this does not change after being assigned, once
   // location.replace is classified as NEW_PAGE rather than EXISTING_PAGE.
   // Same for document sequence number.  See https://crbug.com/596707.
   item_sequence_number_ = item_sequence_number;
 }
 
@@ skipping 21 matching lines @@
 
   // Generate the body from the PageState.
   ExplodedPageState exploded_state;
   if (!DecodePageState(page_state_.ToEncodedData(), &exploded_state))
     return nullptr;
 
   return exploded_state.top.http_body.request_body;
 }
 
 }  // namespace content