Implement find in page support for top level BrowserPlugins.

extensions/browser/api/web_view/web_view_internal_api.cc

 // Copyright 2014 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 "extensions/browser/api/web_view/web_view_internal_api.h"
 
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
@@ skipping 248 matching lines @@
 
   // Set the find options to their default values.
   blink::WebFindOptions options;
   if (params->options) {
     options.forward =
         params->options->backward ? !*params->options->backward : true;
     options.matchCase =
         params->options->match_case ? *params->options->match_case : false;
   }
 
-  guest->Find(search_text, options, this);
+  guest->StartFinding(search_text, options, this);
   return true;
 }
 
 WebViewInternalStopFindingFunction::WebViewInternalStopFindingFunction() {
 }
 
 WebViewInternalStopFindingFunction::~WebViewInternalStopFindingFunction() {
 }
 
 bool WebViewInternalStopFindingFunction::RunAsyncSafe(WebViewGuest* guest) {
@@ skipping 233 matching lines @@
   // Will finish asynchronously.
   return true;
 }
 
 void WebViewInternalClearDataFunction::ClearDataDone() {
   Release();  // Balanced in RunAsync().
   SendResponse(true);
 }
 
 }  // namespace extensions