Initial PlzNavigate RDH-side logic.

content/browser/frame_host/navigator.h

Index: content/browser/frame_host/navigator.h
diff --git a/content/browser/frame_host/navigator.h b/content/browser/frame_host/navigator.h
index b47654839f0f9d70b0729f2c6284d931e1a4ed7b..fecf1ac5e384add95ff85c7bf5bc40f93f695b0b 100644
--- a/content/browser/frame_host/navigator.h
+++ b/content/browser/frame_host/navigator.h
@@ -25,7 +25,8 @@ class NavigationControllerImpl;
 class NavigationEntryImpl;
 class NavigatorDelegate;
 class RenderFrameHostImpl;
-struct NavigationBeforeCommitInfo;
+class StreamHandle;
+struct ResourceResponse;
 
 // Implementations of this interface are responsible for performing navigations
 // in a node of the FrameTree. Its lifetime is bound to all FrameTreeNode
@@ -124,7 +125,9 @@ class CONTENT_EXPORT Navigator : public base::RefCounted<Navigator> {
   // Signal |render_frame_host| that a navigation is ready to commit (the
   // response to the navigation request has been received).
   virtual void CommitNavigation(RenderFrameHostImpl* render_frame_host,
-                                const NavigationBeforeCommitInfo& info) {};
+                                const GURL& url,
+                                ResourceResponse* response,
+                                scoped_ptr<StreamHandle> body);

[clamy, 2014/09/12 20:51:25]

Actually, I don't think you need to pass the StreamHandle to the navigator. Its
lifetime will most likely be handled by the RenderFrameHostManager.

[davidben, 2014/09/19 18:30:49]

Per out-of-band conversation, leaving as-is so ownership can be managed in
RenderFrameHost on behalf of the renderer-side RenderFrame.

 
  protected:
   friend class base::RefCounted<Navigator>;