Add full support for filesystem URLs.

chrome/renderer/extensions/extension_dispatcher.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/renderer/extensions/extension_dispatcher.h"
 
 #include "base/command_line.h"
 #include "chrome/common/child_process_logging.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 381 matching lines @@
         WebString::fromUTF8(chrome::kChromeUIScheme),
         WebString::fromUTF8(chrome::kChromeUIExtensionIconHost),
         false);
   }
 
   UpdateOriginPermissions(UpdatedExtensionPermissionsInfo::ADDED,
                           extension,
                           extension->GetActivePermissions()->explicit_hosts());
 }
 
+// TODO(ericu): What needs to be done here?  Do filesystem URLs enter into
+// extension permissions at all?

[Aaron Boodman, 2012/01/19 23:47:37]

Nothing needs to be done here.

 void ExtensionDispatcher::UpdateOriginPermissions(
     UpdatedExtensionPermissionsInfo::Reason reason,
     const Extension* extension,
     const URLPatternSet& origins) {
   for (URLPatternSet::const_iterator i = origins.begin();
        i != origins.end(); ++i) {
     const char* schemes[] = {
       chrome::kHttpScheme,
       chrome::kHttpsScheme,
       chrome::kFileScheme,
@@ skipping 66 matching lines @@
 
   RenderThread::Get()->RegisterExtension(extension);
 }
 
 void ExtensionDispatcher::OnUsingWebRequestAPI(
     bool adblock, bool adblock_plus, bool other) {
   webrequest_adblock_ = adblock;
   webrequest_adblock_plus_ = adblock_plus;
   webrequest_other_ = other;
 }