Move existing kSitePerProcess checks to a policy-oracle object

content/browser/frame_host/render_frame_host_impl.cc

 // 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.
 
 #include "content/browser/frame_host/render_frame_host_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
@@ skipping 28 matching lines @@
 #include "content/browser/renderer_host/render_view_host_delegate_view.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/common/accessibility_messages.h"
 #include "content/common/frame_messages.h"
 #include "content/common/input_messages.h"
 #include "content/common/inter_process_time_ticks_converter.h"
 #include "content/common/navigation_params.h"
 #include "content/common/render_frame_setup.mojom.h"
+#include "content/common/site_isolation_policy.h"
 #include "content/common/swapped_out_messages.h"
 #include "content/public/browser/ax_event_notification_details.h"
 #include "content/public/browser/browser_accessibility_state.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_plugin_guest_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/permission_manager.h"
 #include "content/public/browser/permission_type.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 1251 matching lines @@
     const CommonNavigationParams& common_params,
     const BeginNavigationParams& begin_params,
     scoped_refptr<ResourceRequestBody> body) {
   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableBrowserSideNavigation));
   frame_tree_node()->navigator()->OnBeginNavigation(
       frame_tree_node(), common_params, begin_params, body);
 }
 
 void RenderFrameHostImpl::OnDispatchLoad() {
-  CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kSitePerProcess));
+  CHECK(SiteIsolationPolicy::AreCrossProcessFramesPossible());
   // Only frames with an out-of-process parent frame should be sending this
   // message.
   RenderFrameProxyHost* proxy =
       frame_tree_node()->render_manager()->GetProxyToParent();
   if (!proxy) {
     bad_message::ReceivedBadMessage(GetProcess(),
                                     bad_message::RFH_NO_PROXY_TO_PARENT);
     return;
   }
 
@@ skipping 787 matching lines @@
   // We may be returning to an existing NavigationEntry that had been granted
   // file access.  If this is a different process, we will need to grant the
   // access again.  The files listed in the page state are validated when they
   // are received from the renderer to prevent abuse.
   if (request_params.page_state.IsValid()) {
     render_view_host_->GrantFileAccessFromPageState(request_params.page_state);
   }
 }
 
 }  // namespace content