Don't use process isolation for bookmark apps.

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 2ebbb3d4f9c61fc832fec3b6d53c98e7e30d0187..96b52d6713f30947ae0a3708800b0adfacd28ed2 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -735,7 +735,11 @@ bool ChromeContentRendererClient::CrossesExtensionExtents(
     WebFrame* frame,
     const GURL& new_url,
     bool is_initial_navigation) {
+  // Note: ExtensionSet does not return bookmark apps, so they will be
+  // treated like normal web pages from the process model's perspective.

[Aaron Boodman, 2011/11/17 04:10:25]

Can you just check from_bookmark() here instead of changing ExtensionSet?

[Charlie Reis, 2011/11/17 20:27:58]

Done.

   const ExtensionSet* extensions = extension_dispatcher_->extensions();
+
+  // Determine if the new_url is an extension or hosted app.
   bool is_extension_url = !!extensions->GetByURL(new_url);
   GURL old_url(frame->top()->document().url());