Remove WebContents::IsActiveEntry from Instant Extended and from WebContents.

content/browser/web_contents/web_contents_impl.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/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 2047 matching lines @@
   params->set_prompt(true);
   dlm->DownloadUrl(params.Pass());
 }
 
 void WebContentsImpl::GenerateMHTML(
     const base::FilePath& file,
     const base::Callback<void(int64)>& callback) {
   MHTMLGenerationManager::GetInstance()->SaveMHTML(this, file, callback);
 }
 
-// TODO(nasko): Rename this method to IsVisibleEntry.
-bool WebContentsImpl::IsActiveEntry(int32 page_id) {
-  NavigationEntryImpl* visible_entry =
-      NavigationEntryImpl::FromNavigationEntry(controller_.GetVisibleEntry());
-  return (visible_entry != NULL &&
-          visible_entry->site_instance() == GetSiteInstance() &&
-          visible_entry->GetPageID() == page_id);
-}
-
 const std::string& WebContentsImpl::GetContentsMimeType() const {
   return contents_mime_type_;
 }
 
 bool WebContentsImpl::WillNotifyDisconnection() const {
   return notify_disconnection_;
 }
 
 void WebContentsImpl::SetOverrideEncoding(const std::string& encoding) {
   SetEncoding(encoding);
@@ skipping 2001 matching lines @@
 
 void WebContentsImpl::OnPreferredSizeChanged(const gfx::Size& old_size) {
   if (!delegate_)
     return;
   const gfx::Size new_size = GetPreferredSize();
   if (new_size != old_size)
     delegate_->UpdatePreferredSize(this, new_size);
 }
 
 }  // namespace content