Revert of Fix the commit type for out-of-process iframes.

content/browser/frame_host/navigation_controller_impl.h

Index: content/browser/frame_host/navigation_controller_impl.h
diff --git a/content/browser/frame_host/navigation_controller_impl.h b/content/browser/frame_host/navigation_controller_impl.h
index 3a38bd05042eb250ca4be954c20a3098ff864046..ee00ca4e398b118dc75db9c24427bce5cedd455a 100644
--- a/content/browser/frame_host/navigation_controller_impl.h
+++ b/content/browser/frame_host/navigation_controller_impl.h
@@ -20,7 +20,6 @@
 struct FrameHostMsg_DidCommitProvisionalLoad_Params;
 
 namespace content {
-class FrameTreeNode;
 class RenderFrameHostImpl;
 class NavigationEntryScreenshotManager;
 class SiteInstance;
@@ -117,11 +116,6 @@
       SiteInstance* instance,
       int32 page_id) const;
 
-  // Whether the given frame has committed any navigations yet.
-  // This currently only returns true in --site-per-process mode.
-  // TODO(creis): Create FrameNavigationEntries by default so this always works.
-  bool HasCommittedRealLoad(FrameTreeNode* frame_tree_node) const;
-
   NavigationControllerDelegate* delegate() const {
     return delegate_;
   }