Revert "[PageLoadMetrics] Keep track of Ad Sizes on Pages"

content/browser/loader/resource_request_info_impl.cc

Index: content/browser/loader/resource_request_info_impl.cc
diff --git a/content/browser/loader/resource_request_info_impl.cc b/content/browser/loader/resource_request_info_impl.cc
index d91848f64a18d546f1bc8b6376c7bfa5cf45a0b8..9a0371eea7159ea059bf3b4d6510221022d99ec4 100644
--- a/content/browser/loader/resource_request_info_impl.cc
+++ b/content/browser/loader/resource_request_info_impl.cc
@@ -30,13 +30,6 @@ WebContents* GetWebContentsFromFTNID(int frame_tree_node_id) {
   return WebContentsImpl::FromFrameTreeNode(frame_tree_node);
 }
 
-int FrameTreeNodeIdFromHostIds(int render_process_host_id,
-                               int render_frame_host_id) {
-  RenderFrameHost* render_frame_host =
-      RenderFrameHost::FromID(render_process_host_id, render_frame_host_id);
-  return render_frame_host ? render_frame_host->GetFrameTreeNodeId() : -1;
-}
-
 }  // namespace
 
 // ----------------------------------------------------------------------------
@@ -219,24 +212,6 @@ ResourceRequestInfoImpl::GetWebContentsGetterForRequest() const {
                     render_process_host_id, render_frame_host_id);
 }
 
-ResourceRequestInfo::FrameTreeNodeIdGetter
-ResourceRequestInfoImpl::GetFrameTreeNodeIdGetterForRequest() const {
-  if (frame_tree_node_id_ != -1) {
-    DCHECK(IsBrowserSideNavigationEnabled());
-    return base::Bind([](int id) { return id; }, frame_tree_node_id_);
-  }
-
-  int render_process_host_id = -1;
-  int render_frame_host_id = -1;
-  if (!GetAssociatedRenderFrame(&render_process_host_id,
-                                &render_frame_host_id)) {
-    NOTREACHED();
-  }
-
-  return base::Bind(&FrameTreeNodeIdFromHostIds, render_process_host_id,
-                    render_frame_host_id);
-}
-
 ResourceContext* ResourceRequestInfoImpl::GetContext() const {
   return context_;
 }