Test the feasibility of turning Chrome into a multi-process ActiveX control

chrome/browser/views/tab_contents_container_view.cc

Index: chrome/browser/views/tab_contents_container_view.cc
===================================================================
--- chrome/browser/views/tab_contents_container_view.cc	(revision 5533)
+++ chrome/browser/views/tab_contents_container_view.cc	(working copy)
@@ -37,15 +37,18 @@
 
     // Hide the contents before adjusting its parent to avoid a full desktop
     // flicker.
-    ::ShowWindow(container_hwnd, SW_HIDE);
+    if(container_hwnd)
+      ::ShowWindow(container_hwnd, SW_HIDE);
 
     // Reset the parent to NULL to ensure hidden tabs don't receive messages.
-    ::SetParent(container_hwnd, NULL);
+    if(container_hwnd)
+      ::SetParent(container_hwnd, NULL);
 
     tab_contents_->WasHidden();
 
     // Unregister the tab contents window from the FocusManager.
-    views::FocusManager::UninstallFocusSubclass(container_hwnd);
+    if(container_hwnd)
+      views::FocusManager::UninstallFocusSubclass(container_hwnd);
     HWND hwnd = tab_contents_->GetContentHWND();
     if (hwnd) {
       // We may not have an HWND anymore, if the renderer crashed and we are