Create RenderFrame/RenderFrameHost for the main frame of a page.

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index 28fec349cdc100fca0ee8eb81fea24fb929d0cc1..79bc9b3cf39bb581c0218bc1a38c807c161f23c9 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -35,6 +35,7 @@
 #include "content/public/common/top_controls_state.h"
 #include "content/public/renderer/render_view.h"
 #include "content/renderer/mouse_lock_dispatcher.h"
+#include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_view_pepper_helper.h"
 #include "content/renderer/render_widget.h"
 #include "content/renderer/renderer_webcookiejar_impl.h"
@@ -212,6 +213,7 @@ class CONTENT_EXPORT RenderViewImpl
       const WebPreferences& webkit_prefs,
       SharedRenderViewCounter* counter,
       int32 routing_id,
+      int32 main_frame_routing_id,
       int32 surface_id,
       int64 session_storage_namespace_id,
       const string16& frame_name,
@@ -866,6 +868,7 @@ class CONTENT_EXPORT RenderViewImpl
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, NavigateFrame);
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
                            ShouldUpdateSelectionTextFromContextMenuParams);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, BasicRenderFrame);
 
   typedef std::map<GURL, double> HostZoomLevels;
 
@@ -1367,6 +1370,8 @@ class CONTENT_EXPORT RenderViewImpl
 
   // Helper objects ------------------------------------------------------------
 
+  scoped_ptr<RenderFrameImpl> main_render_frame_;
+
   RendererWebCookieJarImpl cookie_jar_;
 
   // The next group of objects all implement RenderViewObserver, so are deleted