Add Reapply() to declarative action interface. This is needed for RequestContentScript to work corr…

chrome/browser/extensions/api/declarative_content/content_rules_registry.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/browser/extensions/api/declarative_content/content_rules_registry.h"
 
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/api/declarative_content/content_action.h"
 #include "chrome/browser/extensions/api/declarative_content/content_condition.h"
 #include "chrome/browser/extensions/api/declarative_content/content_constants.h"
@@ skipping 62 matching lines @@
   std::set<ContentRule*> matching_rules = GetMatches(renderer_data);
   if (matching_rules.empty() && !ContainsKey(active_rules_, tab_id))
     return;
 
   std::set<ContentRule*>& prev_matching_rules = active_rules_[tab_id];
   ContentAction::ApplyInfo apply_info = {
     profile(), contents
   };
   for (std::set<ContentRule*>::const_iterator it = matching_rules.begin();
        it != matching_rules.end(); ++it) {
-    if (!ContainsKey(prev_matching_rules, *it))
+    if (!ContainsKey(prev_matching_rules, *it)) {
       (*it)->actions().Apply((*it)->extension_id(), base::Time(), &apply_info);
+    } else {
+      (*it)->actions().Reapply(
+          (*it)->extension_id(), base::Time(), &apply_info);
+    }
   }
   for (std::set<ContentRule*>::const_iterator it = prev_matching_rules.begin();
        it != prev_matching_rules.end(); ++it) {
     if (!ContainsKey(matching_rules, *it))
       (*it)->actions().Revert((*it)->extension_id(), base::Time(), &apply_info);
   }
 
   if (matching_rules.empty())
     active_rules_.erase(tab_id);
   else
@@ skipping 217 matching lines @@
 
 base::Time ContentRulesRegistry::GetExtensionInstallationTime(
     const std::string& extension_id) const {
   if (!extension_info_map_.get())  // May be NULL during testing.
     return base::Time();
 
   return extension_info_map_->GetInstallTime(extension_id);
 }
 
 }  // namespace extensions