Use FrameIsAd to decide whether to isolate a frame in TopDocumentIsolation mode.

content/shell/browser/shell_content_browser_client.h

 // Copyright 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.
 
 #ifndef CONTENT_SHELL_BROWSER_SHELL_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_SHELL_BROWSER_SHELL_CONTENT_BROWSER_CLIENT_H_
 
 #include <memory>
 #include <string>
+#include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "build/build_config.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/shell/browser/shell_resource_dispatcher_host_delegate.h"
 #include "content/shell/browser/shell_speech_recognition_manager_delegate.h"
 #include "services/service_manager/public/cpp/binder_registry.h"
 
 namespace content {
@@ skipping 38 matching lines @@
       content::StoragePartition* partition,
       storage::OptionalQuotaSettingsCallback callback) override;
   void SelectClientCertificate(
       WebContents* web_contents,
       net::SSLCertRequestInfo* cert_request_info,
       net::ClientCertIdentityList client_certs,
       std::unique_ptr<ClientCertificateDelegate> delegate) override;
   SpeechRecognitionManagerDelegate* CreateSpeechRecognitionManagerDelegate()
       override;
   net::NetLog* GetNetLog() override;
+  bool ShouldIsolateFrameFromMainContent(
+      content::RenderFrameHost* frame,
+      const GURL& dest_url,
+      content::SiteInstance* main_frame_site_instance) override;
   bool ShouldSwapProcessesForRedirect(BrowserContext* browser_context,
                                       const GURL& current_url,
                                       const GURL& new_url) override;
   DevToolsManagerDelegate* GetDevToolsManagerDelegate() override;
 
   void OpenURL(BrowserContext* browser_context,
                const OpenURLParams& params,
                const base::Callback<void(WebContents*)>& callback) override;
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
@@ skipping 39 matching lines @@
 
   service_manager::BinderRegistryWithParams<content::RenderFrameHost*>
       frame_interfaces_;
 
   ShellBrowserMainParts* shell_browser_main_parts_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_SHELL_CONTENT_BROWSER_CLIENT_H_