Add sanbdoxed_pages to allow extension/app pages to be served in a sandboxed, unique origin

chrome/common/extensions/extension_set.cc

 // Copyright (c) 2012 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 "chrome/common/extensions/extension_set.h"
 
 #include "base/logging.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/url_constants.h"
 
@@ skipping 110 matching lines @@
 const Extension* ExtensionSet::GetByID(const std::string& id) const {
   ExtensionMap::const_iterator i = extensions_.find(id);
   if (i != extensions_.end())
     return i->second.get();
   else
     return NULL;
 }
 
 bool ExtensionSet::ExtensionBindingsAllowed(
     const ExtensionURLInfo& info) const {
-  if (info.origin().isUnique())
+  if (info.origin().isUnique() || IsSandboxedPage(info))
     return false;
 
   if (info.url().SchemeIs(chrome::kExtensionScheme))
     return true;
 
   ExtensionMap::const_iterator i = extensions_.begin();
   for (; i != extensions_.end(); ++i) {
     if (i->second->location() == Extension::COMPONENT &&
         i->second->web_extent().MatchesURL(info.url()))
       return true;
   }
 
   return false;
 }
+
+bool ExtensionSet::IsSandboxedPage(const ExtensionURLInfo& info) const {
+  if (info.origin().isUnique())
+    return true;
+
+  if (info.url().SchemeIs(chrome::kExtensionScheme)) {
+    const Extension* extension = GetByID(info.url().host());
+    if (extension) {
+      return extension->IsSandboxedPage(info.url().path());
+    }
+  }
+  return false;
+}