Additional fixes for prerender/instant + browsing history.

content/browser/tab_contents/test_tab_contents.cc

 // Copyright (c) 2011 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 "content/browser/tab_contents/test_tab_contents.h"
 
 #include <utility>
 
 #include "content/browser/browser_url_handler.h"
 #include "content/browser/renderer_host/mock_render_process_host.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/site_instance.h"
 #include "content/common/page_transition_types.h"
 
 TestTabContents::TestTabContents(content::BrowserContext* browser_context,
                                  SiteInstance* instance)
     : TabContents(browser_context, instance, MSG_ROUTING_NONE, NULL, NULL),
       transition_cross_site(false),
-      delegate_view_override_(NULL) {
+      delegate_view_override_(NULL),
+      expect_set_history_length_and_prune_(false),
+      expect_set_history_length_and_prune_site_instance_(NULL),
+      expect_set_history_length_and_prune_history_length_(0),
+      expect_set_history_length_and_prune_min_page_id_(-1) {
 }
 
 TestRenderViewHost* TestTabContents::pending_rvh() const {
   return static_cast<TestRenderViewHost*>(
       render_manager_.pending_render_view_host_);
 }
 
 bool TestTabContents::CreateRenderViewForRenderManager(
     RenderViewHost* render_view_host) {
   // This will go to a TestRenderViewHost.
@@ skipping 52 matching lines @@
   TestRenderViewHost* rvh = static_cast<TestRenderViewHost*>(
       render_manager_.current_host());
   rvh->SendShouldCloseACK(true);
 }
 
 RenderViewHostDelegate::View* TestTabContents::GetViewDelegate() {
   if (delegate_view_override_)
     return delegate_view_override_;
   return TabContents::GetViewDelegate();
 }
+
+void TestTabContents::ExpectSetHistoryLengthAndPrune(
+    const SiteInstance* site_instance,
+    int history_length,
+    int32 min_page_id) {
+  expect_set_history_length_and_prune_ = true;
+  expect_set_history_length_and_prune_site_instance_ = site_instance;
+  expect_set_history_length_and_prune_history_length_ = history_length;
+  expect_set_history_length_and_prune_min_page_id_ = min_page_id;
+}
+
+void TestTabContents::SetHistoryLengthAndPrune(
+    const SiteInstance* site_instance, int history_length, int32 min_page_id) {
+  EXPECT_TRUE(expect_set_history_length_and_prune_);
+  expect_set_history_length_and_prune_ = false;
+  EXPECT_EQ(expect_set_history_length_and_prune_site_instance_, site_instance);
+  EXPECT_EQ(expect_set_history_length_and_prune_history_length_,
+            history_length);
+  EXPECT_EQ(expect_set_history_length_and_prune_min_page_id_, min_page_id);
+}