Inside of content, prefer SiteInstanceImpl to SiteInstance.

content/browser/site_per_process_browsertest.cc

 // 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.
 
 #include "content/browser/site_per_process_browsertest.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 5516 matching lines @@
   WebContents* contents = shell()->web_contents();
   FrameTreeNode* root =
       static_cast<WebContentsImpl*>(contents)->GetFrameTree()->root();
 
   // Simulate subframe B creating a new child frame in parallel to main frame A
   // detaching subframe B.  We can't use ExecuteScript in both A and B to do
   // this simultaneously, as that won't guarantee the timing that we want.
   // Instead, tell A to detach B and then send a fake proxy creation IPC to A
   // that would've come from create-child-frame code in B.  Prepare parameters
   // for that IPC ahead of the detach, while B's FrameTreeNode still exists.
-  SiteInstance* site_instance_a = root->current_frame_host()->GetSiteInstance();
+  SiteInstanceImpl* site_instance_a =
+      root->current_frame_host()->GetSiteInstance();
   RenderProcessHost* process_a =
       root->render_manager()->current_frame_host()->GetProcess();
   int new_routing_id = process_a->GetNextRoutingID();
   int view_routing_id =
       root->frame_tree()->GetRenderViewHost(site_instance_a)->GetRoutingID();
   int parent_routing_id =
       root->child_at(0)->render_manager()->GetProxyToParent()->GetRoutingID();
 
   // Tell main frame A to delete its subframe B.
   FrameDeletedObserver observer(root->child_at(0));
@@ skipping 762 matching lines @@
   EXPECT_EQ(b_url, root->current_url());
 
   // Verify that the same RenderViewHost is preserved and that it is no longer
   // in swapped out state.
   EXPECT_EQ(rvh, contents->GetFrameTree()->GetRenderViewHost(
                      root->current_frame_host()->GetSiteInstance()));
   EXPECT_FALSE(rvh->is_swapped_out_);
 }
 
 }  // namespace content