Removed sending of the following IPC messages from chrome and added API's on the RenderViewHost

content/browser/tab_contents/tab_contents.cc

Index: content/browser/tab_contents/tab_contents.cc
===================================================================
--- content/browser/tab_contents/tab_contents.cc	(revision 102130)
+++ content/browser/tab_contents/tab_contents.cc	(working copy)
@@ -1150,6 +1150,14 @@
                               bool final_update) {
   delegate()->FindReply(this, request_id, number_of_matches, selection_rect,
                         active_match_ordinal, final_update);
+  // Send a notification to the renderer that we are ready to receive more
+  // results from the scoping effort of the Find operation. The FindInPage
+  // scoping is asynchronous and periodically sends results back up to the
+  // browser using IPC. In an effort to not spam the browser we have the
+  // browser send an ACK for each FindReply message and have the renderer
+  // queue up the latest status message while waiting for this ACK.
+  render_view_host()->Send(
+      new ViewMsg_FindReplyACK(render_view_host()->routing_id()));
 }
 
 void TabContents::OnCrashedPlugin(const FilePath& plugin_path) {