Reloading page after installing app should bring it into correct process.

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index e76a03d5934018781cb6d57e6078af298efcf3b7..44155727ea1b9257fdb591b4f156c9b2f8fcc02f 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -761,6 +761,16 @@ bool ChromeContentRendererClient::CrossesExtensionExtents(
   const Extension* new_url_extension = extensions::GetNonBookmarkAppExtension(
       *extensions, ExtensionURLInfo(new_url));
 
+  // If this is a reload, check whether it has the wrong process type.  We
+  // should send it to the browser if it's an extension URL (e.g., hosted app)
+  // in a normal process, or if it's a process for an extension that has been
+  // uninstalled.
+  if (old_url == new_url) {
+    bool is_extension_url = !!new_url_extension;
+    if (is_extension_url != extension_dispatcher_->is_extension_process())
+      return true;
+  }
+
   // If old_url is still empty and this is an initial navigation, then this is
   // a window.open operation.  We should look at the opener URL.
   if (is_initial_navigation && old_url.is_empty() && frame->opener()) {