Fixing a regression introduced with r69101, which now prevents Chrome Frame...

chrome_frame/navigation_constraints.cc

 // Copyright (c) 2010 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_frame/navigation_constraints.h"
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/common/url_constants.h"
 #include "chrome_frame/utils.h"
 
+NavigationConstraintsImpl::NavigationConstraintsImpl() : is_privileged_(false) {
+}
+
 // NavigationConstraintsImpl method definitions.
 bool NavigationConstraintsImpl::AllowUnsafeUrls() {
   // No sanity checks if unsafe URLs are allowed
   return GetConfigBool(false, kAllowUnsafeURLs);
 }
 
 bool NavigationConstraintsImpl::IsSchemeAllowed(const GURL& url) {
   if (url.is_empty())
     return false;
 
@@ skipping 13 matching lines @@
       return true;
   }
 
   // Allow only about:blank or about:version
   if (url.SchemeIs(chrome::kAboutScheme)) {
     if (LowerCaseEqualsASCII(url.spec(), chrome::kAboutBlankURL) ||
         LowerCaseEqualsASCII(url.spec(), chrome::kAboutVersionURL)) {
       return true;
     }
   }
+
+  if (is_privileged_ &&
+      (url.SchemeIs(chrome::kDataScheme) ||
+       url.SchemeIs(chrome::kExtensionScheme))) {
+    return true;
+  }
+
   return false;
 }
 
 bool NavigationConstraintsImpl::IsZoneAllowed(const GURL& url) {
   if (!security_manager_) {
     HRESULT hr = security_manager_.CreateInstance(
         CLSID_InternetSecurityManager);
     if (FAILED(hr)) {
       NOTREACHED() << __FUNCTION__
                    << " Failed to create SecurityManager. Error: 0x%x"
                    << hr;
       return true;
     }
     DWORD zone = URLZONE_INVALID;
     std::wstring unicode_url = UTF8ToWide(url.spec());
     security_manager_->MapUrlToZone(unicode_url.c_str(), &zone, 0);
     if (zone == URLZONE_UNTRUSTED) {
       DLOG(WARNING) << __FUNCTION__
                     << " Disallowing navigation to restricted url: " << url;
       return false;
     }
   }
   return true;
 }
 
+bool NavigationConstraintsImpl::is_privileged() const {
+  return is_privileged_;
+}
+
+void NavigationConstraintsImpl::set_is_privileged(bool is_privileged) {
+  is_privileged_ = is_privileged;
+}