Remove "Show saved copy" button from error page

chrome/renderer/net/net_error_helper.cc

 // Copyright (c) 2013 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/net/net_error_helper.h"
 
 #include <string>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 35 matching lines @@
 using content::DocumentState;
 using content::RenderFrame;
 using content::RenderFrameObserver;
 using content::RenderThread;
 using content::kUnreachableWebDataURL;
 using error_page::DnsProbeStatus;
 using error_page::DnsProbeStatusToString;
 using error_page::ErrorPageParams;
 using error_page::LocalizedError;
 using error_page::NetErrorHelperCore;
-using error_page::OfflinePageStatus;
 
 namespace {
 
 // Number of seconds to wait for the navigation correction service to return
 // suggestions.  If it takes too long, just use the local error page.
 const int kNavigationCorrectionFetchTimeoutSec = 3;
 
 NetErrorHelperCore::PageType GetLoadingPageType(RenderFrame* render_frame) {
   blink::WebFrame* web_frame = render_frame->GetWebFrame();
   GURL url = web_frame->provisionalDataSource()->request().url();
@@ skipping 81 matching lines @@
 bool NetErrorHelper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
 
   IPC_BEGIN_MESSAGE_MAP(NetErrorHelper, message)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_NetErrorInfo, OnNetErrorInfo)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetCanShowNetworkDiagnosticsDialog,
                         OnSetCanShowNetworkDiagnosticsDialog);
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetNavigationCorrectionInfo,
                         OnSetNavigationCorrectionInfo);
 #if defined(OS_ANDROID)
-    IPC_MESSAGE_HANDLER(ChromeViewMsg_SetOfflinePageInfo, OnSetOfflinePageInfo)
+    IPC_MESSAGE_HANDLER(ChromeViewMsg_SetHasOfflinePages, OnSetHasOfflinePages)
 #endif
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
 void NetErrorHelper::NetworkStateChanged(bool enabled) {
   core_->NetworkStateChanged(enabled);
 }
 
 void NetErrorHelper::GetErrorHTML(const blink::WebURLError& error,
                                   bool is_failed_post,
                                   bool is_ignoring_cache,
                                   std::string* error_html) {
   core_->GetErrorHTML(GetFrameType(render_frame()), error, is_failed_post,
                       is_ignoring_cache, error_html);
 }
 
 bool NetErrorHelper::ShouldSuppressErrorPage(const GURL& url) {
   return core_->ShouldSuppressErrorPage(GetFrameType(render_frame()), url);
 }
 
 void NetErrorHelper::GenerateLocalizedErrorPage(
     const blink::WebURLError& error,
     bool is_failed_post,
     bool can_show_network_diagnostics_dialog,
-    OfflinePageStatus offline_page_status,
+    bool has_offline_pages,
     scoped_ptr<ErrorPageParams> params,
     bool* reload_button_shown,
     bool* show_saved_copy_button_shown,
     bool* show_cached_copy_button_shown,
     bool* show_offline_pages_button_shown,
-    bool* show_offline_copy_button_shown,
     std::string* error_html) const {
   error_html->clear();
 
   int resource_id = IDR_NET_ERROR_HTML;
   const base::StringPiece template_html(
       ResourceBundle::GetSharedInstance().GetRawDataResource(resource_id));
   if (template_html.empty()) {
     NOTREACHED() << "unable to load template.";
   } else {
     base::DictionaryValue error_strings;
     LocalizedError::GetStrings(
         error.reason, error.domain.utf8(), error.unreachableURL, is_failed_post,
         error.staleCopyInCache, can_show_network_diagnostics_dialog,
-        offline_page_status, RenderThread::Get()->GetLocale(),
+        has_offline_pages, RenderThread::Get()->GetLocale(),
         render_frame()->GetRenderView()->GetAcceptLanguages(),
         std::move(params), &error_strings);
     *reload_button_shown = error_strings.Get("reloadButton", nullptr);
     *show_saved_copy_button_shown =
         error_strings.Get("showSavedCopyButton", nullptr);
     *show_cached_copy_button_shown =
         error_strings.Get("cacheButton", nullptr);
     *show_offline_pages_button_shown =
         error_strings.Get("showOfflinePagesButton", nullptr);
-    *show_offline_copy_button_shown =
-        error_strings.Get("showOfflineCopyButton", nullptr);
     // "t" is the id of the template's root node.
     *error_html = webui::GetTemplatesHtml(template_html, &error_strings, "t");
   }
 }
 
 void NetErrorHelper::LoadErrorPage(const std::string& html,
                                    const GURL& failed_url) {
   render_frame()->GetWebFrame()->loadHTMLString(
       html, GURL(kUnreachableWebDataURL), failed_url, true);
 }
 
 void NetErrorHelper::EnablePageHelperFunctions() {
   NetErrorPageController::Install(
       render_frame(), weak_controller_delegate_factory_.GetWeakPtr());
 }
 
 void NetErrorHelper::UpdateErrorPage(const blink::WebURLError& error,
                                      bool is_failed_post,
                                      bool can_show_network_diagnostics_dialog,
-                                     OfflinePageStatus offline_page_status) {
+                                     bool has_offline_pages) {
   base::DictionaryValue error_strings;
   LocalizedError::GetStrings(
       error.reason,
       error.domain.utf8(),
       error.unreachableURL,
       is_failed_post,
       error.staleCopyInCache,
       can_show_network_diagnostics_dialog,
-      offline_page_status,
+      has_offline_pages,
       RenderThread::Get()->GetLocale(),
       render_frame()->GetRenderView()->GetAcceptLanguages(),
       scoped_ptr<ErrorPageParams>(),
       &error_strings);
 
   std::string json;
   JSONWriter::Write(error_strings, &json);
 
   std::string js = "if (window.updateForDnsProbe) "
                    "updateForDnsProbe(" + json + ");";
@@ skipping 72 matching lines @@
       render_frame()->GetRoutingID(), page_url));
 }
 
 void NetErrorHelper::ShowOfflinePages() {
 #if defined(OS_ANDROID)
   render_frame()->Send(new ChromeViewHostMsg_ShowOfflinePages(
       render_frame()->GetRoutingID()));
 #endif  // defined(OS_ANDROID)
 }
 
-void NetErrorHelper::LoadOfflineCopy(const GURL& page_url) {
-#if defined(OS_ANDROID)
-  render_frame()->Send(new ChromeViewHostMsg_LoadOfflineCopy(
-      render_frame()->GetRoutingID(), page_url));
-#endif  // defined(OS_ANDROID)
-}
-
 void NetErrorHelper::OnNetErrorInfo(int status_num) {
   DCHECK(status_num >= 0 && status_num < error_page::DNS_PROBE_MAX);
 
   DVLOG(1) << "Received status " << DnsProbeStatusToString(status_num);
 
   core_->OnNetErrorInfo(static_cast<DnsProbeStatus>(status_num));
 }
 
 void NetErrorHelper::OnSetCanShowNetworkDiagnosticsDialog(
     bool can_use_local_diagnostics_service) {
@@ skipping 25 matching lines @@
       base::i18n::IsRTL());
 }
 
 void NetErrorHelper::OnTrackingRequestComplete(
     const blink::WebURLResponse& response,
     const std::string& data) {
   tracking_fetcher_.reset();
 }
 
 #if defined(OS_ANDROID)
-void NetErrorHelper::OnSetOfflinePageInfo(
-    OfflinePageStatus offline_page_status) {
-  core_->OnSetOfflinePageInfo(offline_page_status);
+void NetErrorHelper::OnSetHasOfflinePages(bool has_offline_pages) {
+  core_->OnSetHasOfflinePages(has_offline_pages);
 }
 #endif  // defined(OS_ANDROID)