Moving HTTP POST body from StartNavigationParams to CommonNavigationParams.

content/browser/frame_host/navigator.h

Index: content/browser/frame_host/navigator.h
diff --git a/content/browser/frame_host/navigator.h b/content/browser/frame_host/navigator.h
index ce1c97dec992b8a9faf4735766f0c8de53dd6e70..9dfe0243e0d1cc8958f7d15b9e076022d121496f 100644
--- a/content/browser/frame_host/navigator.h
+++ b/content/browser/frame_host/navigator.h
@@ -142,11 +142,9 @@ class CONTENT_EXPORT Navigator : public base::RefCounted<Navigator> {
   // PlzNavigate
   // Used to start a new renderer-initiated navigation, following a
   // BeginNavigation IPC from the renderer.
-  virtual void OnBeginNavigation(
-      FrameTreeNode* frame_tree_node,
-      const CommonNavigationParams& common_params,
-      const BeginNavigationParams& begin_params,
-      scoped_refptr<ResourceRequestBody> body);
+  virtual void OnBeginNavigation(FrameTreeNode* frame_tree_node,
+                                 const CommonNavigationParams& common_params,
+                                 const BeginNavigationParams& begin_params);
 
   // PlzNavigate
   // Called when a NavigationRequest for |frame_tree_node| failed. An