Implement a shell of FindRequestManager, and hook it up to WebContentsImpl.

content/browser/frame_host/render_frame_host_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/render_frame_host_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 2493 matching lines @@
 void RenderFrameHostImpl::DidSelectPopupMenuItem(int selected_index) {
   Send(new FrameMsg_SelectPopupMenuItem(routing_id_, selected_index));
 }
 
 void RenderFrameHostImpl::DidCancelPopupMenu() {
   Send(new FrameMsg_SelectPopupMenuItem(routing_id_, -1));
 }
 
 #elif defined(OS_ANDROID)
 
-void RenderFrameHostImpl::ActivateNearestFindResult(int request_id,
-                                                    float x,
-                                                    float y) {
-  Send(
-      new InputMsg_ActivateNearestFindResult(GetRoutingID(), request_id, x, y));
-}
-
-void RenderFrameHostImpl::RequestFindMatchRects(int current_version) {
-  Send(new FrameMsg_FindMatchRects(GetRoutingID(), current_version));
-}
-
 void RenderFrameHostImpl::DidSelectPopupMenuItems(
     const std::vector<int>& selected_indices) {
   Send(new FrameMsg_SelectPopupMenuItems(routing_id_, false, selected_indices));
 }
 
 void RenderFrameHostImpl::DidCancelPopupMenu() {
   Send(new FrameMsg_SelectPopupMenuItems(
       routing_id_, true, std::vector<int>()));
 }
 
@@ skipping 196 matching lines @@
   FrameTreeNode* focused_frame_tree_node = frame_tree_->GetFocusedFrame();
   if (!focused_frame_tree_node)
     return;
   RenderFrameHostImpl* focused_frame =
       focused_frame_tree_node->current_frame_host();
   DCHECK(focused_frame);
   dst->focused_tree_id = focused_frame->GetAXTreeID();
 }
 
 }  // namespace content