Moving HTTP POST body from StartNavigationParams to CommonNavigationParams.

content/test/test_render_frame_host.cc

Index: content/test/test_render_frame_host.cc
diff --git a/content/test/test_render_frame_host.cc b/content/test/test_render_frame_host.cc
index a9690849aebe7820ecfa6a4552ef2e3217b179f0..5ed27573e1601f3badb15a8ff1da4ab285e29c08 100644
--- a/content/test/test_render_frame_host.cc
+++ b/content/test/test_render_frame_host.cc
@@ -369,8 +369,7 @@ void TestRenderFrameHost::SendRendererInitiatedNavigationRequest(
     common_params.url = url;
     common_params.referrer = Referrer(GURL(), blink::WebReferrerPolicyDefault);
     common_params.transition = ui::PAGE_TRANSITION_LINK;
-    OnBeginNavigation(common_params, begin_params,
-                      scoped_refptr<ResourceRequestBody>());
+    OnBeginNavigation(common_params, begin_params);
   }
 }