Create DeclarativeConditionSet, DeclarativeActionSet, and DeclarativeRule templates

chrome/browser/extensions/api/declarative_webrequest/webrequest_rules_registry.h

Index: chrome/browser/extensions/api/declarative_webrequest/webrequest_rules_registry.h
diff --git a/chrome/browser/extensions/api/declarative_webrequest/webrequest_rules_registry.h b/chrome/browser/extensions/api/declarative_webrequest/webrequest_rules_registry.h
index 953dac3bf1b7c05002b1fc0ccd76c65bc6f8664c..d5aa4065bced9993f4a13816da96dc496b0ff609 100644
--- a/chrome/browser/extensions/api/declarative_webrequest/webrequest_rules_registry.h
+++ b/chrome/browser/extensions/api/declarative_webrequest/webrequest_rules_registry.h
@@ -13,9 +13,11 @@
 #include "base/time.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
+#include "chrome/browser/extensions/api/declarative/declarative_rule.h"
 #include "chrome/browser/extensions/api/declarative/rules_registry_with_cache.h"
 #include "chrome/browser/extensions/api/declarative_webrequest/request_stage.h"
-#include "chrome/browser/extensions/api/declarative_webrequest/webrequest_rule.h"
+#include "chrome/browser/extensions/api/declarative_webrequest/webrequest_action.h"
+#include "chrome/browser/extensions/api/declarative_webrequest/webrequest_condition.h"
 #include "chrome/browser/extensions/extension_info_map.h"
 #include "chrome/common/extensions/matcher/url_matcher.h"
 
@@ -34,6 +36,10 @@ namespace extensions {
 
 class RulesRegistryService;
 
+typedef linked_ptr<extension_web_request_api_helpers::EventResponseDelta>
+    LinkedPtrEventResponseDelta;
+typedef DeclarativeRule<WebRequestCondition, WebRequestAction> WebRequestRule;
+
 // The WebRequestRulesRegistry is responsible for managing
 // the internal representation of rules for the Declarative Web Request API.
 //
@@ -69,13 +75,13 @@ class WebRequestRulesRegistry : public RulesRegistryWithCache {
   // TODO(battre): This will become an implementation detail, because we need
   // a way to also execute the actions of the rules.
   std::set<WebRequestRule::GlobalRuleId> GetMatches(
-      const WebRequestRule::RequestData& request_data);
+      const DeclarativeWebRequestData& request_data);
 
   // Returns which modifications should be executed on the network request
   // according to the rules registered in this registry.
   std::list<LinkedPtrEventResponseDelta> CreateDeltas(
       const ExtensionInfoMap* extension_info_map,
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       bool crosses_incognito);
 
   // Implementation of RulesRegistryWithCache:
@@ -101,6 +107,14 @@ class WebRequestRulesRegistry : public RulesRegistryWithCache {
   virtual void ClearCacheOnNavigation();
 
  private:
+  // Checks whether the set of |conditions| and |actions| are consistent,
+  // meaning for example that we do not allow combining an |action| that needs
+  // to be executed before the |condition| can be fulfilled.
+  // Returns true in case of consistency and MUST set |error| otherwise.
+  static bool CheckConsistency(WebRequestConditionSet* conditions,
+                               WebRequestActionSet* actions,
+                               std::string* error);
+
   typedef std::map<URLMatcherConditionSet::ID, WebRequestRule*> RuleTriggers;
   typedef std::map<WebRequestRule::GlobalRuleId, linked_ptr<WebRequestRule> >
       RulesMap;