remove implementation of obsolete WebKitPlatformSupport::prefetchHostName.

chrome/renderer/chrome_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 "chrome/renderer/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
@@ skipping 1062 matching lines @@
 
 unsigned long long ChromeContentRendererClient::VisitedLinkHash(
     const char* canonical_url, size_t length) {
   return visited_link_slave_->ComputeURLFingerprint(canonical_url, length);
 }
 
 bool ChromeContentRendererClient::IsLinkVisited(unsigned long long link_hash) {
   return visited_link_slave_->IsVisited(link_hash);
 }
 
-void ChromeContentRendererClient::PrefetchHostName(const char* hostname,
-                                                   size_t length) {
-  net_predictor_->Resolve(hostname, length);
-}
-
 WebKit::WebPrescientNetworking*
 ChromeContentRendererClient::GetPrescientNetworking() {
   return prescient_networking_dispatcher_.get();
 }
 
 bool ChromeContentRendererClient::ShouldOverridePageVisibilityState(
     const content::RenderView* render_view,
     WebKit::WebPageVisibilityState* override_state) const {
   if (!prerender::PrerenderHelper::IsPrerendering(render_view))
     return false;
@@ skipping 199 matching lines @@
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnablePepperTesting)) {
     return true;
   }
 #endif  // !defined(OS_ANDROID)
   return false;
 }
 
 
 }  // namespace chrome