Avoid stale navigation requests without excessive page id knowledge in the renderer process.

content/test/test_web_contents.h

 // 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.
 
 #ifndef CONTENT_TEST_TEST_WEB_CONTENTS_H_
 #define CONTENT_TEST_TEST_WEB_CONTENTS_H_
 
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/common/web_preferences.h"
 #include "content/public/test/web_contents_tester.h"
@@ skipping 60 matching lines @@
   void set_delegate_view(RenderViewHostDelegateView* view) {
     delegate_view_override_ = view;
   }
 
   // Allows us to simulate this tab having an opener.
   void SetOpener(TestWebContents* opener);
 
   // Allows us to simulate that a contents was created via CreateNewWindow.
   void AddPendingContents(TestWebContents* contents);
 
-  // Establish expected arguments for |SetHistoryLengthAndPrune()|. When
-  // |SetHistoryLengthAndPrune()| is called, the arguments are compared
+  // Establish expected arguments for |SetHistoryOffsetAndLength()|. When
+  // |SetHistoryOffsetAndLength()| is called, the arguments are compared
   // with the expected arguments specified here.
-  void ExpectSetHistoryLengthAndPrune(const SiteInstance* site_instance,
-                                      int history_length,
-                                      int32 min_page_id);
+  void ExpectSetHistoryOffsetAndLength(int history_offset,
+                                       int history_length);
 
   // Compares the arguments passed in with the expected arguments passed in
-  // to |ExpectSetHistoryLengthAndPrune()|.
-  void SetHistoryLengthAndPrune(const SiteInstance* site_instance,
-                                int history_length,
-                                int32 min_page_id) override;
+  // to |ExpectSetHistoryOffsetAndLength()|.
+  void SetHistoryOffsetAndLength(int history_offset,
+                                 int history_length) override;
 
   void TestDidFinishLoad(const GURL& url);
   void TestDidFailLoadWithError(const GURL& url,
                                 int error_code,
                                 const base::string16& error_description);
 
  protected:
   // The deprecated WebContentsTester still needs to subclass this.
   explicit TestWebContents(BrowserContext* browser_context);
 
@@ skipping 11 matching lines @@
   void CreateNewFullscreenWidget(int render_process_id, int route_id) override;
   void ShowCreatedWindow(int route_id,
                          WindowOpenDisposition disposition,
                          const gfx::Rect& initial_pos,
                          bool user_gesture) override;
   void ShowCreatedWidget(int route_id, const gfx::Rect& initial_pos) override;
   void ShowCreatedFullscreenWidget(int route_id) override;
 
   RenderViewHostDelegateView* delegate_view_override_;
 
-  // Expectations for arguments of |SetHistoryLengthAndPrune()|.
-  bool expect_set_history_length_and_prune_;
-  scoped_refptr<const SiteInstanceImpl>
-    expect_set_history_length_and_prune_site_instance_;
-  int expect_set_history_length_and_prune_history_length_;
-  int32 expect_set_history_length_and_prune_min_page_id_;
+  // Expectations for arguments of |SetHistoryOffsetAndLength()|.
+  bool expect_set_history_offset_and_length_;
+  int expect_set_history_offset_and_length_history_offset_;
+  int expect_set_history_offset_and_length_history_length_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_TEST_WEB_CONTENTS_H_