Add new user script injection point: document_idle.

chrome/renderer/navigation_state.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_RENDERER_NAVIGATION_STATE_H_
 #define CHROME_RENDERER_NAVIGATION_STATE_H_
 
 #include "base/scoped_ptr.h"
 #include "base/time.h"
 #include "chrome/common/page_transition_types.h"
+#include "chrome/renderer/user_script_idle_scheduler.h"
 #include "webkit/api/public/WebDataSource.h"
 #include "webkit/glue/alt_error_page_resource_fetcher.h"
 #include "webkit/glue/password_form.h"
 
 // The RenderView stores an instance of this class in the "extra data" of each
 // WebDataSource (see RenderView::DidCreateDataSource).
 class NavigationState : public WebKit::WebDataSource::ExtraData {
  public:
   static NavigationState* CreateBrowserInitiated(
       int32 pending_page_id,
       PageTransition::Type transition_type,
       base::Time request_time) {
     return new NavigationState(transition_type, request_time, false,
                                pending_page_id);
   }
 
   static NavigationState* CreateContentInitiated() {
     // We assume navigations initiated by content are link clicks.
     return new NavigationState(PageTransition::LINK, base::Time(), true, -1);
   }
 
   static NavigationState* FromDataSource(WebKit::WebDataSource* ds) {
     return static_cast<NavigationState*>(ds->extraData());
   }
 
+  UserScriptIdleScheduler* user_script_idle_scheduler() {

[Matt Perry, 2009/11/02 19:46:30]

Very clean. I like it.

+    return user_script_idle_scheduler_.get();
+  }
+  void set_user_script_idle_scheduler(UserScriptIdleScheduler* scheduler) {
+    user_script_idle_scheduler_.reset(scheduler);
+  }
+
   // Contains the page_id for this navigation or -1 if there is none yet.
   int32 pending_page_id() const { return pending_page_id_; }
 
   // Contains the transition type that the browser specified when it
   // initiated the load.
   PageTransition::Type transition_type() const { return transition_type_; }
   void set_transition_type(PageTransition::Type type) {
     transition_type_ = type;
   }
 
@@ skipping 120 matching lines @@
   NavigationState(PageTransition::Type transition_type,
                   const base::Time& request_time,
                   bool is_content_initiated,
                   int32 pending_page_id)
       : transition_type_(transition_type),
         request_time_(request_time),
         load_histograms_recorded_(false),
         request_committed_(false),
         is_content_initiated_(is_content_initiated),
         pending_page_id_(pending_page_id),
-        postpone_loading_data_(false) {
+        postpone_loading_data_(false),
+        user_script_idle_scheduler_(NULL) {

[darin (slow to review), 2009/11/03 05:11:00]

nit: no need to NULL out a scoped_ptr

   }
 
   PageTransition::Type transition_type_;
   base::Time request_time_;
   base::Time start_load_time_;
   base::Time commit_load_time_;
   base::Time finish_document_load_time_;
   base::Time finish_load_time_;
   base::Time first_paint_time_;
   base::Time first_paint_after_load_time_;
   bool load_histograms_recorded_;
   bool request_committed_;
   bool is_content_initiated_;
   int32 pending_page_id_;
   GURL searchable_form_url_;
   std::string searchable_form_encoding_;
   scoped_ptr<webkit_glue::PasswordForm> password_form_data_;
   scoped_ptr<webkit_glue::AltErrorPageResourceFetcher> alt_error_page_fetcher_;
   std::string security_info_;
   bool postpone_loading_data_;
   std::string postponed_data_;
+  scoped_ptr<UserScriptIdleScheduler> user_script_idle_scheduler_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationState);
 };
 
 #endif  // CHROME_RENDERER_NAVIGATION_STATE_H_