TabContents -> WebContentsImpl, part 15.

content/browser/web_contents/navigation_entry_impl.h

Index: content/browser/web_contents/navigation_entry_impl.h
diff --git a/content/browser/web_contents/navigation_entry_impl.h b/content/browser/web_contents/navigation_entry_impl.h
index ec194fd8563723e1a0321c20c308e05fbad83bd6..4dc4c9b4a416021c2320b58bf616da47cd816fd3 100644
--- a/content/browser/web_contents/navigation_entry_impl.h
+++ b/content/browser/web_contents/navigation_entry_impl.h
@@ -65,9 +65,8 @@ class CONTENT_EXPORT NavigationEntryImpl
     unique_id_ = unique_id;
   }
 
-  // The SiteInstance tells us how to share sub-processes when the tab type is
-  // TAB_CONTENTS_WEB. This will be NULL otherwise. This is a reference counted
-  // pointer to a shared site instance.
+  // The SiteInstance tells us how to share sub-processes. This is a reference
+  // counted pointer to a shared site instance.
   //
   // Note that the SiteInstance should usually not be changed after it is set,
   // but this may happen if the NavigationEntry was cloned and needs to use a