[NoStatePrefetch] Do not send responses to renderer in prefetch mode.

content/public/renderer/content_renderer_client.cc

 // Copyright (c) 2012 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/public/renderer/content_renderer_client.h"
 
 #include "content/public/renderer/media_stream_renderer_factory.h"
 #include "media/base/renderer_factory.h"
 #include "third_party/WebKit/public/platform/modules/app_banner/WebAppBannerClient.h"
 #include "ui/gfx/icc_profile.h"
@@ skipping 118 matching lines @@
 
 bool ContentRendererClient::WillSendRequest(
     blink::WebFrame* frame,
     ui::PageTransition transition_type,
     const GURL& url,
     const GURL& first_party_for_cookies,
     GURL* new_url) {
   return false;
 }
 
+bool ContentRendererClient::IsPrefetchOnly(
+    RenderFrame* render_frame,
+    const blink::WebURLRequest& request) {
+  return false;
+}
+
 unsigned long long ContentRendererClient::VisitedLinkHash(
     const char* canonical_url, size_t length) {
   return 0LL;
 }
 
 bool ContentRendererClient::IsLinkVisited(unsigned long long link_hash) {
   return false;
 }
 
 blink::WebPrescientNetworking*
@@ skipping 84 matching lines @@
 
 bool ContentRendererClient::ShouldEnforceWebRTCRoutingPreferences() {
   return true;
 }
 
 GURL ContentRendererClient::OverrideFlashEmbedWithHTML(const GURL& url) {
   return GURL();
 }
 
 }  // namespace content