When Chrome hands off a URL to be opened by the external host by the ViewHost...

chrome_frame/chrome_frame_npapi.cc

 // Copyright (c) 2009 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_frame/chrome_frame_npapi.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
@@ skipping 1023 matching lines @@
   Base::OnAutomationServerReady();
 
   std::string proxy_settings;
   bool has_prefs = pref_service_->Initialize(instance_,
                                              automation_client_.get());
   if (has_prefs && pref_service_->GetProxyValueJSONString(&proxy_settings)) {
     automation_client_->SetProxySettings(proxy_settings);
   }
 
   if (!src_.empty()) {
-    if (!automation_client_->InitiateNavigation(src_, is_privileged_)) {
+    if (!automation_client_->InitiateNavigation(src_,
+                                                GetDocumentUrl(),
+                                                is_privileged_)) {
       DLOG(ERROR) << "Failed to navigate to: " << src_;
       src_.clear();
     }
   }
 
   SetReadyState(READYSTATE_COMPLETE);
 }
 
 void ChromeFrameNPAPI::OnAutomationServerLaunchFailed(
     AutomationLaunchResult reason, const std::string& server_version) {
@@ skipping 247 matching lines @@
     }
   }
   DLOG(WARNING) << __FUNCTION__ << " " << url;
   std::string full_url = ResolveURL(GetDocumentUrl(), url);
   if (full_url.empty())
     return false;
 
   src_ = full_url;
   // Navigate only if we completed initialization i.e. proxy is set etc.
   if (ready_state_ == READYSTATE_COMPLETE) {
-    if (!automation_client_->InitiateNavigation(full_url, is_privileged_)) {
+    if (!automation_client_->InitiateNavigation(full_url,
+                                                GetDocumentUrl(),
+                                                is_privileged_)) {
       // TODO(tommi): call NPN_SetException.
       src_.clear();
       return false;
     }
   }
   return true;
 }
 
 bool ChromeFrameNPAPI::postMessage(NPObject* npobject, const NPVariant* args,
                                    uint32_t arg_count, NPVariant* result) {
@@ skipping 130 matching lines @@
   DCHECK(request ? automation_client_->IsValidRequest(request) : 1);
   return request;
 }
 
 bool ChromeFrameNPAPI::HandleContextMenuCommand(UINT cmd) {
   if (cmd == IDC_ABOUT_CHROME_FRAME) {
     // TODO: implement "About Chrome Frame"
   }
   return false;
 }