Harden the implementation of '--disable-web-security'

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 80fcea5d7d25cdab0c9ac5e0c44bf6c7a78d05b7..040997435e1da6c708852d4d92c273152b0d7cb1 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1657,6 +1657,8 @@ bool RenderProcessHostImpl::OnMessageReceived(const IPC::Message& msg) {
                           OnShutdownRequest)
       IPC_MESSAGE_HANDLER(RenderProcessHostMsg_SuddenTerminationChanged,
                           SuddenTerminationChanged)
+      IPC_MESSAGE_HANDLER(RenderProcessHostMsg_GetUniversalAccessDisposition,
+                          OnGetUniversalAccessDisposition);
       IPC_MESSAGE_HANDLER(ViewHostMsg_UserMetricsRecordAction,
                           OnUserMetricsRecordAction)
       IPC_MESSAGE_HANDLER(ViewHostMsg_SavedPageAsMHTML, OnSavedPageAsMHTML)
@@ -2392,6 +2394,13 @@ void RenderProcessHostImpl::SuddenTerminationChanged(bool enabled) {
   SetSuddenTerminationAllowed(enabled);
 }
 
+void RenderProcessHostImpl::OnGetUniversalAccessDisposition(
+    bool* is_access_grantable) {
+  DCHECK(is_access_grantable);
+  *is_access_grantable = base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kDisableWebSecurity);
+}
+
 void RenderProcessHostImpl::UpdateProcessPriority() {
   if (!child_process_launcher_.get() || child_process_launcher_->IsStarting()) {
     is_process_backgrounded_ = false;