Inside of content, prefer SiteInstanceImpl to SiteInstance.

content/test/test_render_frame_host.h

 // 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.
 
 #ifndef CONTENT_TEST_TEST_RENDER_FRAME_HOST_H_
 #define CONTENT_TEST_TEST_RENDER_FRAME_HOST_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 20 matching lines @@
 
   RenderFrameHost* last_created_frame() const { return last_created_frame_; }
 
  private:
   RenderFrameHost* last_created_frame_;
 };
 
 class TestRenderFrameHost : public RenderFrameHostImpl,
                             public RenderFrameHostTester {
  public:
-  TestRenderFrameHost(SiteInstance* site_instance,
+  TestRenderFrameHost(SiteInstanceImpl* site_instance,
                       RenderViewHostImpl* render_view_host,
                       RenderFrameHostDelegate* delegate,
                       RenderWidgetHostDelegate* rwh_delegate,
                       FrameTree* frame_tree,
                       FrameTreeNode* frame_tree_node,
                       int32_t routing_id,
                       int32_t widget_routing_id,
                       int flags);
   ~TestRenderFrameHost() override;
 
@@ skipping 103 matching lines @@
 
   // See set_simulate_history_list_was_cleared() above.
   bool simulate_history_list_was_cleared_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRenderFrameHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_TEST_RENDER_FRAME_HOST_H_