Trust the renderer's same-document navigation flag if it is a same-origin nav.

content/browser/frame_host/navigation_controller_impl_unittest.cc

 // Copyright 2013 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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/stl_util.h"
@@ skipping 2145 matching lines @@
   // First navigation.
   const GURL url2("http://foo#a");
   FrameHostMsg_DidCommitProvisionalLoad_Params params;
   params.page_id = 0;  // Same page_id
   params.url = url2;
   params.transition = PAGE_TRANSITION_LINK;
   params.should_update_history = false;
   params.gesture = NavigationGestureUser;
   params.is_post = false;
   params.page_state = PageState::CreateFromURL(url2);
+  params.was_within_same_page = true;
 
   // This should NOT generate a new entry, nor prune the list.
   LoadCommittedDetails details;
   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
                                              &details));
   EXPECT_EQ(1U, navigation_entry_committed_counter_);
   navigation_entry_committed_counter_ = 0;
   EXPECT_TRUE(details.is_in_page);
   EXPECT_TRUE(details.did_replace_entry);
   EXPECT_EQ(1, controller.GetEntryCount());
@@ skipping 31 matching lines @@
     const GURL url("http://foo2/#a");
     FrameHostMsg_DidCommitProvisionalLoad_Params params;
     params.page_id = 1;  // Same page_id
     params.url = url;
     params.transition = PAGE_TRANSITION_LINK;
     params.redirects.push_back(url);
     params.should_update_history = true;
     params.gesture = NavigationGestureUnknown;
     params.is_post = false;
     params.page_state = PageState::CreateFromURL(url);
+    params.was_within_same_page = true;
 
     // This should NOT generate a new entry, nor prune the list.
     LoadCommittedDetails details;
     EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
                                                &details));
     EXPECT_EQ(1U, navigation_entry_committed_counter_);
     navigation_entry_committed_counter_ = 0;
     EXPECT_TRUE(details.is_in_page);
     EXPECT_TRUE(details.did_replace_entry);
     EXPECT_EQ(2, controller.GetEntryCount());
@@ skipping 830 matching lines @@
 
 // Tests that IsInPageNavigation returns appropriate results.  Prevents
 // regression for bug 1126349.
 TEST_F(NavigationControllerTest, IsInPageNavigation) {
   NavigationControllerImpl& controller = controller_impl();
   // Navigate to URL with no refs.
   const GURL url("http://www.google.com/home.html");
   main_test_rfh()->SendNavigate(0, url);
 
   // Reloading the page is not an in-page navigation.
-  EXPECT_FALSE(controller.IsURLInPageNavigation(url));
+  EXPECT_FALSE(controller.IsURLInPageNavigation(url, false,
+      NAVIGATION_TYPE_UNKNOWN));
   const GURL other_url("http://www.google.com/add.html");
-  EXPECT_FALSE(controller.IsURLInPageNavigation(other_url));
+  EXPECT_FALSE(controller.IsURLInPageNavigation(other_url, false,
+      NAVIGATION_TYPE_UNKNOWN));
   const GURL url_with_ref("http://www.google.com/home.html#my_ref");
-  EXPECT_TRUE(controller.IsURLInPageNavigation(url_with_ref));
+  EXPECT_TRUE(controller.IsURLInPageNavigation(url_with_ref, true,
+      NAVIGATION_TYPE_UNKNOWN));
 
   // Navigate to URL with refs.
   main_test_rfh()->SendNavigate(1, url_with_ref);
 
   // Reloading the page is not an in-page navigation.
-  EXPECT_FALSE(controller.IsURLInPageNavigation(url_with_ref));
-  EXPECT_FALSE(controller.IsURLInPageNavigation(url));
-  EXPECT_FALSE(controller.IsURLInPageNavigation(other_url));
+  EXPECT_FALSE(controller.IsURLInPageNavigation(url_with_ref, false,
+      NAVIGATION_TYPE_UNKNOWN));
+  EXPECT_FALSE(controller.IsURLInPageNavigation(url, false,
+      NAVIGATION_TYPE_UNKNOWN));
+  EXPECT_FALSE(controller.IsURLInPageNavigation(other_url, false,
+      NAVIGATION_TYPE_UNKNOWN));
   const GURL other_url_with_ref("http://www.google.com/home.html#my_other_ref");
-  EXPECT_TRUE(controller.IsURLInPageNavigation(other_url_with_ref));
+  EXPECT_TRUE(controller.IsURLInPageNavigation(other_url_with_ref, true,
+      NAVIGATION_TYPE_UNKNOWN));
 
   // Going to the same url again will be considered in-page
   // if the renderer says it is even if the navigation type isn't IN_PAGE.
   EXPECT_TRUE(controller.IsURLInPageNavigation(url_with_ref, true,
       NAVIGATION_TYPE_UNKNOWN));
 
   // Going back to the non ref url will be considered in-page if the navigation
   // type is IN_PAGE.
   EXPECT_TRUE(controller.IsURLInPageNavigation(url, true,
       NAVIGATION_TYPE_IN_PAGE));
+
+  // If the renderer says this is a same-origin in-page navigation, believe it.
+  // This is the pushState/replaceState case.
+  EXPECT_TRUE(controller.IsURLInPageNavigation(other_url, true,
+      NAVIGATION_TYPE_UNKNOWN));
+
+  // Don't believe the renderer if it claims a cross-origin navigation is
+  // in-page.
+  const GURL different_origin_url("http://www.example.com");
+  EXPECT_FALSE(controller.IsURLInPageNavigation(different_origin_url, true,
+      NAVIGATION_TYPE_UNKNOWN));
 }
 
 // Some pages can have subframes with the same base URL (minus the reference) as
 // the main page. Even though this is hard, it can happen, and we don't want
 // these subframe navigations to affect the toplevel document. They should
 // instead be ignored.  http://crbug.com/5585
 TEST_F(NavigationControllerTest, SameSubframe) {
   NavigationControllerImpl& controller = controller_impl();
   // Navigate the main frame.
   const GURL url("http://www.google.com/");
@@ skipping 1188 matching lines @@
   params.post_id = -1;
   test_rvh()->SendNavigateWithParams(&params);
 
   // Now reload. replaceState overrides the POST, so we should not show a
   // repost warning dialog.
   controller_impl().Reload(true);
   EXPECT_EQ(0, delegate->repost_form_warning_count());
 }
 
 }  // namespace content