Show a new placeholder for PDF's when plugins are disabled.

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/bind.h"
@@ skipping 33 matching lines @@
 #include "chrome/renderer/chrome_render_frame_observer.h"
 #include "chrome/renderer/chrome_render_thread_observer.h"
 #include "chrome/renderer/chrome_render_view_observer.h"
 #include "chrome/renderer/content_settings_observer.h"
 #include "chrome/renderer/loadtimes_extension_bindings.h"
 #include "chrome/renderer/net/net_error_helper.h"
 #include "chrome/renderer/net_benchmarking_extension.h"
 #include "chrome/renderer/page_load_metrics/metrics_render_frame_observer.h"
 #include "chrome/renderer/pepper/pepper_helper.h"
 #include "chrome/renderer/plugins/non_loadable_plugin_placeholder.h"
+#include "chrome/renderer/plugins/pdf_plugin_placeholder.h"
 #include "chrome/renderer/plugins/plugin_preroller.h"
 #include "chrome/renderer/plugins/plugin_uma.h"
 #include "chrome/renderer/prerender/prerender_dispatcher.h"
 #include "chrome/renderer/prerender/prerender_helper.h"
 #include "chrome/renderer/prerender/prerenderer_client.h"
 #include "chrome/renderer/safe_browsing/phishing_classifier_delegate.h"
 #include "chrome/renderer/safe_browsing/renderer_url_loader_throttle.h"
 #include "chrome/renderer/searchbox/search_bouncer.h"
 #include "chrome/renderer/searchbox/searchbox.h"
 #include "chrome/renderer/searchbox/searchbox_extension.h"
@@ skipping 812 matching lines @@
         // Same-origin and whitelisted-origin plugins skip the placeholder.
         return render_frame->CreatePlugin(info, params, nullptr);
       }
       case ChromeViewHostMsg_GetPluginInfo_Status::kDisabled: {
         PluginUMAReporter::GetInstance()->ReportPluginDisabled(orig_mime_type,
                                                                url);
         if (info.name ==
             ASCIIToUTF16(ChromeContentClient::kPDFExtensionPluginName)) {
           ReportPDFLoadStatus(
               PDFLoadStatus::kShowedDisabledPluginPlaceholderForEmbeddedPdf);
+
+          if (base::FeatureList::IsEnabled(
+                  features::kClickToOpenPDFPlaceholder)) {
+            return PDFPluginPlaceholder::CreatePDFPlaceholder(render_frame,
+                                                              params)
+                ->plugin();
+          }
         }
 
         placeholder = create_blocked_plugin(
             IDR_DISABLED_PLUGIN_HTML,
             l10n_util::GetStringFUTF16(IDS_PLUGIN_DISABLED, group_name));
         break;
       }
       case ChromeViewHostMsg_GetPluginInfo_Status::kFlashHiddenPreferHtml: {
         placeholder = create_blocked_plugin(
             IDR_PREFER_HTML_PLUGIN_HTML,
@@ skipping 713 matching lines @@
   if (safe_browsing_)
     return true;
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableNetworkService)) {
     return false;
   }
   RenderThread::Get()->GetConnector()->BindInterface(
       content::mojom::kBrowserServiceName, &safe_browsing_);
   return true;
 }