Expose GetLastCommitedOrigin() on WebContents and use it in about:blank

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 511 matching lines @@
 
   if (params.guest_delegate) {
     // This makes |new_contents| act as a guest.
     // For more info, see comment above class BrowserPluginGuest.
     BrowserPluginGuest::Create(new_contents, params.guest_delegate);
     // We are instantiating a WebContents for browser plugin. Set its subframe
     // bit to true.
     new_contents->is_subframe_ = true;
   }
   new_contents->Init(params);
+
   return new_contents;
 }
 
 // static
 std::vector<WebContentsImpl*> WebContentsImpl::GetAllWebContents() {
   std::vector<WebContentsImpl*> result;
   scoped_ptr<RenderWidgetHostIterator> widgets(
       RenderWidgetHostImpl::GetRenderWidgetHosts());
   while (RenderWidgetHost* rwh = widgets->GetNextHost()) {
     RenderViewHost* rvh = RenderViewHost::From(rwh);
@@ skipping 168 matching lines @@
   NavigationEntry* entry = controller_.GetVisibleEntry();
   return entry ? entry->GetVirtualURL() : GURL::EmptyGURL();
 }
 
 const GURL& WebContentsImpl::GetLastCommittedURL() const {
   // We may not have a navigation entry yet.
   NavigationEntry* entry = controller_.GetLastCommittedEntry();
   return entry ? entry->GetVirtualURL() : GURL::EmptyGURL();
 }
 
+const url::Origin& WebContentsImpl::GetLastCommittedOrigin() const {
+  return frame_tree_.root()->current_replication_state().origin;
+}
+
 WebContentsDelegate* WebContentsImpl::GetDelegate() {
   return delegate_;
 }
 
 void WebContentsImpl::SetDelegate(WebContentsDelegate* delegate) {
   // TODO(cbentzel): remove this debugging code?
   if (delegate == delegate_)
     return;
   if (delegate_)
     delegate_->Detach(this);
@@ skipping 3960 matching lines @@
   return NULL;
 }
 
 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) {
   force_disable_overscroll_content_ = force_disable;
   if (view_)
     view_->SetOverscrollControllerEnabled(CanOverscrollContent());
 }
 
 }  // namespace content