Extract minimal RenderViewHost interface for embedders, leaving

content/browser/renderer_host/test_render_view_host.h

Index: content/browser/renderer_host/test_render_view_host.h
diff --git a/content/browser/renderer_host/test_render_view_host.h b/content/browser/renderer_host/test_render_view_host.h
index a4b27d112bf1deb2094da25a1f7e29fd382ecefc..c659ed882a8e0dcd9ecf16f054495e76d1322e7c 100644
--- a/content/browser/renderer_host/test_render_view_host.h
+++ b/content/browser/renderer_host/test_render_view_host.h
@@ -184,12 +184,18 @@ class TestRenderWidgetHostView : public RenderWidgetHostViewBase {
 
 }  // namespace content
 
+#if defined(OS_WIN)
+// See comment for same warning on RenderViewHostImpl.
+#pragma warning(push)
+#pragma warning(disable: 4250)
+#endif
+
 // TestRenderViewHost ----------------------------------------------------------
 
 // TODO(brettw) this should use a TestTabContents which should be generalized
 // from the TabContents test. We will probably also need that class' version of
 // CreateRenderViewForRenderManager when more complicate tests start using this.
-class TestRenderViewHost : public RenderViewHost {
+class TestRenderViewHost : public RenderViewHostImpl {
  public:
   // If the given TabContnets has a pending RVH, returns it, otherwise NULL.
   static TestRenderViewHost* GetPendingForController(
@@ -268,6 +274,10 @@ class TestRenderViewHost : public RenderViewHost {
                                 int32 max_page_id) OVERRIDE;
   virtual bool IsRenderViewLive() const OVERRIDE;
 
+  // This removes the need to expose
+  // RenderViewHostImpl::is_swapped_out() outside of content.
+  static bool IsRenderViewHostSwappedOut(RenderViewHost* rwh);
+
  private:
   FRIEND_TEST_ALL_PREFIXES(RenderViewHostTest, FilterNavigate);
 
@@ -287,6 +297,10 @@ class TestRenderViewHost : public RenderViewHost {
   DISALLOW_COPY_AND_ASSIGN(TestRenderViewHost);
 };
 
+#if defined(OS_WIN)
+#pragma warning(pop)
+#endif
+
 // TestRenderViewHostFactory ---------------------------------------------------
 
 // Manages creation of the RenderViewHosts using our special subclass. This