Implement declarativeContent API.

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

Index: chrome/browser/extensions/api/declarative_webrequest/webrequest_action.h
diff --git a/chrome/browser/extensions/api/declarative_webrequest/webrequest_action.h b/chrome/browser/extensions/api/declarative_webrequest/webrequest_action.h
index b5f74e4205bdc498a6e495cde79c5a990cc2c83d..d3f9f9e6a0c1a239b294e255e66a6144e61313ce 100644
--- a/chrome/browser/extensions/api/declarative_webrequest/webrequest_action.h
+++ b/chrome/browser/extensions/api/declarative_webrequest/webrequest_action.h
@@ -11,12 +11,13 @@
 
 #include "base/compiler_specific.h"
 #include "base/memory/linked_ptr.h"
+#include "chrome/browser/extensions/api/declarative/declarative_rule.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/web_request/web_request_api_helpers.h"
 #include "chrome/common/extensions/api/events.h"
 #include "googleurl/src/gurl.h"
 
+class ExtensionInfoMap;
 class WebRequestPermission;
 
 namespace base {
@@ -31,6 +32,7 @@ struct EventResponseDelta;
 
 namespace extensions {
 class Extension;
+struct DeclarativeWebRequestData;
 }
 
 namespace net {
@@ -76,6 +78,14 @@ class WebRequestAction {
                                  // after creating the delta.
   };
 
+  struct ApplyInfo {
+    const ExtensionInfoMap* extension_info_map;
+    const DeclarativeWebRequestData& request_data;
+    bool crosses_incognito;
+    // Modified by each applied action:
+    std::list<LinkedPtrEventResponseDelta>* deltas;
+  };
+
   WebRequestAction();
   virtual ~WebRequestAction();
 
@@ -134,53 +144,19 @@ class WebRequestAction {
   // Returns a description of the modification to the request caused by
   // this action.
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const = 0;
-};
-
-// Immutable container for multiple actions.
-//
-// TODO(battre): As WebRequestActionSet can become the single owner of all
-// actions, we can optimize here by making some of them singletons (e.g. Cancel
-// actions).
-class WebRequestActionSet {
- public:
-  typedef std::vector<linked_ptr<json_schema_compiler::any::Any> > AnyVector;
-  typedef std::vector<linked_ptr<WebRequestAction> > Actions;
-
-  explicit WebRequestActionSet(const Actions& actions);
-  virtual ~WebRequestActionSet();
-
-  // Factory method that instantiates a WebRequestActionSet according to
-  // |actions| which represents the array of actions received from the
-  // extension API.
-  static scoped_ptr<WebRequestActionSet> Create(const AnyVector& actions,
-                                                std::string* error,
-                                                bool* bad_message);
-
-  // Returns a description of the modifications to |request_data.request| caused
-  // by the |actions_| that can be executed at |request.stage|. If |extension|
-  // is not NULL, permissions of extensions are checked.
-  std::list<LinkedPtrEventResponseDelta> CreateDeltas(
-      const ExtensionInfoMap* extension_info_map,
-      const std::string& extension_id,
-      const WebRequestRule::RequestData& request_data,
-      bool crosses_incognito,
-      const base::Time& extension_install_time) const;
-
-  // Returns the minimum priority of rules that may be evaluated after
-  // this rule. Defaults to MIN_INT.
-  int GetMinimumPriority() const;
 
-  const Actions& actions() const { return actions_; }
-
- private:
-  Actions actions_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebRequestActionSet);
+  // Applies this action to a request, recording the results into
+  // apply_info.deltas.
+  void Apply(const std::string& extension_id,
+             base::Time extension_install_time,
+             const ApplyInfo& apply_info) const;
 };
 
+typedef DeclarativeActionSet<WebRequestAction> WebRequestActionSet;
+
 //
 // The following are concrete actions.
 //
@@ -196,7 +172,7 @@ class WebRequestCancelAction : public WebRequestAction {
   virtual Type GetType() const OVERRIDE;
   virtual HostPermissionsStrategy GetHostPermissionsStrategy() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;
 
@@ -215,7 +191,7 @@ class WebRequestRedirectAction : public WebRequestAction {
   virtual Type GetType() const OVERRIDE;
   virtual HostPermissionsStrategy GetHostPermissionsStrategy() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;
 
@@ -236,7 +212,7 @@ class WebRequestRedirectToTransparentImageAction : public WebRequestAction {
   virtual Type GetType() const OVERRIDE;
   virtual HostPermissionsStrategy GetHostPermissionsStrategy() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;
 
@@ -256,7 +232,7 @@ class WebRequestRedirectToEmptyDocumentAction : public WebRequestAction {
   virtual Type GetType() const OVERRIDE;
   virtual HostPermissionsStrategy GetHostPermissionsStrategy() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;
 
@@ -282,7 +258,7 @@ class WebRequestRedirectByRegExAction : public WebRequestAction {
   virtual Type GetType() const OVERRIDE;
   virtual HostPermissionsStrategy GetHostPermissionsStrategy() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;
 
@@ -304,7 +280,7 @@ class WebRequestSetRequestHeaderAction : public WebRequestAction {
   virtual int GetStages() const OVERRIDE;
   virtual Type GetType() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;
 
@@ -324,7 +300,7 @@ class WebRequestRemoveRequestHeaderAction : public WebRequestAction {
   virtual int GetStages() const OVERRIDE;
   virtual Type GetType() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;
 
@@ -344,7 +320,7 @@ class WebRequestAddResponseHeaderAction : public WebRequestAction {
   virtual int GetStages() const OVERRIDE;
   virtual Type GetType() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;
 
@@ -366,7 +342,7 @@ class WebRequestRemoveResponseHeaderAction : public WebRequestAction {
   virtual int GetStages() const OVERRIDE;
   virtual Type GetType() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;
 
@@ -389,7 +365,7 @@ class WebRequestIgnoreRulesAction : public WebRequestAction {
   virtual int GetMinimumPriority() const OVERRIDE;
   virtual HostPermissionsStrategy GetHostPermissionsStrategy() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;
 
@@ -412,7 +388,7 @@ class WebRequestRequestCookieAction : public WebRequestAction {
   virtual int GetStages() const OVERRIDE;
   virtual Type GetType() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;
 
@@ -435,7 +411,7 @@ class WebRequestResponseCookieAction : public WebRequestAction {
   virtual int GetStages() const OVERRIDE;
   virtual Type GetType() const OVERRIDE;
   virtual LinkedPtrEventResponseDelta CreateDelta(
-      const WebRequestRule::RequestData& request_data,
+      const DeclarativeWebRequestData& request_data,
       const std::string& extension_id,
       const base::Time& extension_install_time) const OVERRIDE;