Merge 110556 - Fix next_page_id_ in a NTP forced to share an existing WebUI process.

content/browser/renderer_host/render_process_host.h

Index: content/browser/renderer_host/render_process_host.h
===================================================================
--- content/browser/renderer_host/render_process_host.h	(revision 112056)
+++ content/browser/renderer_host/render_process_host.h	(working copy)
@@ -172,6 +172,9 @@
   // Gets the next available routing id.
   virtual int GetNextRoutingID() = 0;
 
+  // Update the max page ID and send the update to the renderer process as well.
+  virtual void UpdateAndSendMaxPageID(int32 page_id) = 0;
+
   // Called on the UI thread to cancel any outstanding resource requests for
   // the specified render widget.
   virtual void CancelResourceRequests(int render_widget_id) = 0;