Add InfoBar delegate for previews

components/data_reduction_proxy/content/browser/content_lofi_ui_service.cc

 // Copyright 2015 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 "components/data_reduction_proxy/content/browser/content_lofi_ui_service.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/resource_request_info.h"
 #include "content/public/browser/web_contents.h"
 #include "net/url_request/url_request.h"
 
 namespace data_reduction_proxy {
 
 ContentLoFiUIService::ContentLoFiUIService(
     const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner,
     const OnLoFiResponseReceivedCallback&
         notify_lofi_response_received_callback)
     : ui_task_runner_(ui_task_runner),
       on_lofi_response_received_callback_(
           notify_lofi_response_received_callback) {
   DCHECK(!on_lofi_response_received_callback_.is_null());
 }
 
 ContentLoFiUIService::~ContentLoFiUIService() {}
 
-void ContentLoFiUIService::OnLoFiReponseReceived(const net::URLRequest& request,
-                                                 bool is_preview) {
+void ContentLoFiUIService::OnLoFiReponseReceived(
+    const net::URLRequest& request) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   int render_process_id = -1;
   int render_frame_id = -1;
   if (content::ResourceRequestInfo::GetRenderFrameForRequest(
           &request, &render_process_id, &render_frame_id)) {
     ui_task_runner_->PostTask(
         FROM_HERE,
         base::Bind(&ContentLoFiUIService::OnLoFiResponseReceivedOnUIThread,
-                   base::Unretained(this), render_process_id, render_frame_id,
-                   is_preview));
+                   base::Unretained(this), render_process_id, render_frame_id));
   }
 }
 
 void ContentLoFiUIService::OnLoFiResponseReceivedOnUIThread(
     int render_process_id,
-    int render_frame_id,
-    bool is_preview) {
+    int render_frame_id) {
   DCHECK(ui_task_runner_->BelongsToCurrentThread());
   content::RenderFrameHost* frame =
       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
   if (frame) {
     DCHECK(!on_lofi_response_received_callback_.is_null());
     content::WebContents* web_contents =
         content::WebContents::FromRenderFrameHost(frame);
-    on_lofi_response_received_callback_.Run(web_contents, is_preview);
+    on_lofi_response_received_callback_.Run(web_contents);
   }
 }
 
 }  // namespace data_reduction_proxy