Convert visitedlink to use mojo.

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 <memory>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 343 matching lines @@
   prescient_networking_dispatcher_.reset(
       new network_hints::PrescientNetworkingDispatcher());
 #if defined(ENABLE_SPELLCHECK)
   // ChromeRenderViewTest::SetUp() creates a Spellcheck and injects it using
   // SetSpellcheck(). Don't overwrite it.
   if (!spellcheck_) {
     spellcheck_.reset(new SpellCheck());
     thread->AddObserver(spellcheck_.get());
   }
 #endif
-  visited_link_slave_.reset(new visitedlink::VisitedLinkSlave());
 #if defined(FULL_SAFE_BROWSING)
   phishing_classifier_.reset(safe_browsing::PhishingClassifierFilter::Create());
 #endif
   prerender_dispatcher_.reset(new prerender::PrerenderDispatcher());
   subresource_filter_ruleset_dealer_.reset(
       new subresource_filter::RulesetDealer());
 #if defined(ENABLE_WEBRTC)
   webrtc_logging_message_filter_ =
       new WebRtcLoggingMessageFilter(thread->GetIOTaskRunner());
 #endif
 
   thread->AddObserver(chrome_observer_.get());
 #if defined(FULL_SAFE_BROWSING)
   thread->AddObserver(phishing_classifier_.get());
 #endif
-  thread->AddObserver(visited_link_slave_.get());
   thread->AddObserver(prerender_dispatcher_.get());
   thread->AddObserver(subresource_filter_ruleset_dealer_.get());
   thread->AddObserver(SearchBouncer::GetInstance());
 
 #if defined(ENABLE_WEBRTC)
   thread->AddFilter(webrtc_logging_message_filter_.get());
 #endif
 
   thread->RegisterExtension(extensions_v8::LoadTimesExtension::Get());
 
@@ skipping 750 matching lines @@
 
     if (type != SearchBox::NONE)
       return search_box->GenerateImageURLFromTransientURL(url, type, new_url);
   }
 
   return false;
 }
 
 unsigned long long ChromeContentRendererClient::VisitedLinkHash(
     const char* canonical_url, size_t length) {
-  return visited_link_slave_->ComputeURLFingerprint(canonical_url, length);
+  return chrome_observer_->visited_link_slave()->ComputeURLFingerprint(
+      canonical_url, length);
 }
 
 bool ChromeContentRendererClient::IsLinkVisited(unsigned long long link_hash) {
-  return visited_link_slave_->IsVisited(link_hash);
+  return chrome_observer_->visited_link_slave()->IsVisited(link_hash);
 }
 
 blink::WebPrescientNetworking*
 ChromeContentRendererClient::GetPrescientNetworking() {
   return prescient_networking_dispatcher_.get();
 }
 
 bool ChromeContentRendererClient::ShouldOverridePageVisibilityState(
     const content::RenderFrame* render_frame,
     blink::WebPageVisibilityState* override_state) {
@@ skipping 299 matching lines @@
 
   url::Replacements<char> r;
   r.SetPath(path.c_str(), url::Component(0, path.length()));
 
   if (result == internal::NUM_PLUGIN_ERROR)
     result = invalid_url ? internal::SUCCESS_PARAMS_REWRITE : internal::SUCCESS;
 
   RecordYouTubeRewriteUMA(result);
   return corrected_url.ReplaceComponents(r);
 }