Handle about:blank in the Origin Info Bubble better.

content/browser/frame_host/navigation_entry_impl.h

Index: content/browser/frame_host/navigation_entry_impl.h
diff --git a/content/browser/frame_host/navigation_entry_impl.h b/content/browser/frame_host/navigation_entry_impl.h
index 5907b6c2bd5992a25d6671a20c1c8ad3582da799..e59601f82caafca0aebdf40e35e05e369e867264 100644
--- a/content/browser/frame_host/navigation_entry_impl.h
+++ b/content/browser/frame_host/navigation_entry_impl.h
@@ -21,6 +21,7 @@
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/common/page_state.h"
 #include "content/public/common/ssl_status.h"
+#include "url/origin.h"
 
 namespace content {
 struct CommonNavigationParams;
@@ -83,6 +84,8 @@ class CONTENT_EXPORT NavigationEntryImpl
   PageType GetPageType() const override;
   void SetURL(const GURL& url) override;
   const GURL& GetURL() const override;
+  void SetOrigin(const url::Origin& origin) override;
+  const url::Origin& GetOrigin() const override;
   void SetBaseURLForDataURL(const GURL& url) override;
   const GURL& GetBaseURLForDataURL() const override;
 #if defined(OS_ANDROID)
@@ -503,6 +506,9 @@ class CONTENT_EXPORT NavigationEntryImpl
   // time (see TabNavigation for an example of this).
   std::map<std::string, base::string16> extra_data_;
 
+  // The effective Origin at the time of commit.
+  url::Origin origin_;

[Charlie Reis, 2016/04/18 19:58:38]

Please put this above browser_initiated_post_data_ and mention that it is not
persisted with session restore.  Also:

// TODO(creis): Move this to FrameNavigationEntry to make it useful for
subframes as well.

[palmer, 2016/04/18 23:37:35]

Done.

+
   DISALLOW_COPY_AND_ASSIGN(NavigationEntryImpl);
 };