Remove RenderViewHost parameter from WebContentsObserver::Did{Start|Stop}Loading.

chrome/browser/safe_browsing/client_side_detection_host.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/browser/safe_browsing/client_side_detection_host.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
@@ skipping 492 matching lines @@
     bool should_classify) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   // If classification checks failed we should stop extracting malware features.
   DVLOG(2) << "Malware pre-classification checks done. Should classify: "
            << should_classify;
   should_extract_malware_features_ = should_classify;
   should_classify_for_malware_ = should_classify;
   MaybeStartMalwareFeatureExtraction();
 }
 
-void ClientSideDetectionHost::DidStopLoading(content::RenderViewHost* rvh) {
+void ClientSideDetectionHost::DidStopLoading() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!csd_service_ || !browse_info_.get())
     return;
   DVLOG(2) << "Page finished loading.";
   pageload_complete_ = true;
   MaybeStartMalwareFeatureExtraction();
 }
 
 void ClientSideDetectionHost::MaybeStartMalwareFeatureExtraction() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ skipping 211 matching lines @@
     ui_manager_->RemoveObserver(this);
 
   ui_manager_ = ui_manager;
   if (ui_manager)
     ui_manager_->AddObserver(this);
 
   database_manager_ = database_manager;
 }
 
 }  // namespace safe_browsing