Add flag "distillability-dev" for distillability development

components/dom_distiller/core/url_utils.cc

 // Copyright 2014 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 "components/dom_distiller/core/url_utils.h"
 
 #include <string>
 
 #include "base/guid.h"
 #include "base/strings/string_number_conversions.h"
+#include "components/dom_distiller/core/dom_distiller_features.h"
 #include "components/dom_distiller/core/url_constants.h"
 #include "grit/components_resources.h"
 #include "net/base/url_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "url/gurl.h"
 
 namespace dom_distiller {
 
 namespace url_utils {
 
@@ skipping 57 matching lines @@
 
 std::string GetValueForKeyInUrlPathQuery(const std::string& path,
                                          const std::string& key) {
   // Tools for retrieving a value in a query only works with full GURLs, so
   // using a dummy scheme and host to create a fake URL which can be parsed.
   GURL dummy_url(kDummyInternalUrlPrefix + path);
   return GetValueForKeyInUrl(dummy_url, key);
 }
 
 bool IsUrlDistillable(const GURL& url) {
-  return url.is_valid() && url.SchemeIsHTTPOrHTTPS();
+  if (!url.is_valid())
+    return false;
+  if (IsDistillabilityDevSet() && url.SchemeIsFile())
+    return true;
+  return url.SchemeIsHTTPOrHTTPS();
 }
 
 bool IsDistilledPage(const GURL& url) {
   return url.is_valid() && url.scheme() == kDomDistillerScheme;
 }
 
 std::string GetIsDistillableJs() {
   return ResourceBundle::GetSharedInstance()
       .GetRawDataResource(IDR_IS_DISTILLABLE_JS).as_string();
 }
 
 }  // namespace url_utils
 
 }  // namespace dom_distiller