PlzNavigate: store POST data in the FrameNavigationEntry

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index 1cc0c86a1e2884e3eb1599028822c30e680aeb49..bd1596fdf89194f227808a136e703c99c0f9041d 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -956,13 +956,17 @@ void RenderFrameHostImpl::OnDidCommitProvisionalLoad(const IPC::Message& msg) {
   // Read the parameters out of the IPC message directly to avoid making another
   // copy when we filter the URLs.
   base::PickleIterator iter(msg);
-  FrameHostMsg_DidCommitProvisionalLoad_Params validated_params;
-  if (!IPC::ParamTraits<FrameHostMsg_DidCommitProvisionalLoad_Params>::
-      Read(&msg, &iter, &validated_params)) {
+  base::Tuple<FrameHostMsg_DidCommitProvisionalLoad_Params,
+              scoped_refptr<ResourceRequestBody>>
+      params;
+  if (!FrameHostMsg_DidCommitProvisionalLoad::Read(&msg, &params)) {
     bad_message::ReceivedBadMessage(
         process, bad_message::RFH_COMMIT_DESERIALIZATION_FAILED);
     return;
   }
+  FrameHostMsg_DidCommitProvisionalLoad_Params& validated_params =
+    base::get<0>(params);
+  scoped_refptr<ResourceRequestBody> post_data = base::get<1>(params);
   TRACE_EVENT1("navigation", "RenderFrameHostImpl::OnDidCommitProvisionalLoad",
                "url", validated_params.url.possibly_invalid_spec());
 
@@ -1107,7 +1111,8 @@ void RenderFrameHostImpl::OnDidCommitProvisionalLoad(const IPC::Message& msg) {
   }
 
   accessibility_reset_count_ = 0;
-  frame_tree_node()->navigator()->DidNavigate(this, validated_params);
+  frame_tree_node()->navigator()->DidNavigate(this, validated_params,
+                                              post_data);
 
   // For a top-level frame, there are potential security concerns associated
   // with displaying graphics from a previously loaded page after the URL in
@@ -2069,7 +2074,7 @@ void RenderFrameHostImpl::NavigateToInterstitialURL(const GURL& data_url) {
       base::TimeTicks::Now(), "GET");
   if (IsBrowserSideNavigationEnabled()) {
     CommitNavigation(nullptr, nullptr, common_params, RequestNavigationParams(),
-                     false);
+                     false, nullptr);
   } else {
     Navigate(common_params, StartNavigationParams(), RequestNavigationParams());
   }
@@ -2200,7 +2205,8 @@ void RenderFrameHostImpl::CommitNavigation(
     std::unique_ptr<StreamHandle> body,
     const CommonNavigationParams& common_params,
     const RequestNavigationParams& request_params,
-    bool is_view_source) {
+    bool is_view_source,
+    scoped_refptr<ResourceRequestBody> post_data) {
   DCHECK((response && body.get()) ||
           !ShouldMakeNetworkRequestForURL(common_params.url));
   UpdatePermissionsForNavigation(common_params, request_params);
@@ -2221,7 +2227,7 @@ void RenderFrameHostImpl::CommitNavigation(
   const ResourceResponseHead head = response ?
       response->head : ResourceResponseHead();
   Send(new FrameMsg_CommitNavigation(routing_id_, head, body_url, common_params,
-                                     request_params));
+                                     request_params, post_data));
 
   // If a network request was made, update the LoFi state.
   if (ShouldMakeNetworkRequestForURL(common_params.url))