PlzNavigate: Add a static CommitNavigation method in FrameTreeNode

content/browser/frame_host/frame_tree_node.h

Index: content/browser/frame_host/frame_tree_node.h
diff --git a/content/browser/frame_host/frame_tree_node.h b/content/browser/frame_host/frame_tree_node.h
index 3b5e6acb6b34ac4cf0955d2e1dc8c1993a489eaf..93a9f30c2f439af9e70904fe3cfa30e63e18fc00 100644
--- a/content/browser/frame_host/frame_tree_node.h
+++ b/content/browser/frame_host/frame_tree_node.h
@@ -21,6 +21,7 @@ namespace content {
 class FrameTree;
 class Navigator;
 class RenderFrameHostImpl;
+struct NavigationCommitInfo;
 
 // When a page contains iframes, its renderer process maintains a tree structure
 // of those frames. We are mirroring this tree in the browser process. This
@@ -28,6 +29,9 @@ class RenderFrameHostImpl;
 // are frame-specific (as opposed to page-specific).
 class CONTENT_EXPORT FrameTreeNode {
  public:
+  // Commits a navigation for this node (in browser-driven navigation).

[nasko, 2014/07/30 08:36:16]

nit: Let's make sure this is updated once we agree on PlzNavigate labeling of
comments on the other CL.

[clamy, 2014/08/12 13:41:47]

Done.

+  static void CommitNavigationInNode(int64 frame_tree_node_id,
+                                     const NavigationCommitInfo& info);
 
   FrameTreeNode(FrameTree* frame_tree,
                 Navigator* navigator,