Use FrameTreeNode ID as frameId in extension APIs

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 c2d4477f4f8a10451351a76b6c803e470bd2fbe0..716ec3f97ff0c593ed716571736fbba6029cf241 100644
--- a/content/browser/loader/resource_request_info_impl.cc
+++ b/content/browser/loader/resource_request_info_impl.cc
@@ -72,7 +72,6 @@ void ResourceRequestInfo::AllocateForTesting(net::URLRequest* request,
           render_frame_id,                   // render_frame_id
           is_main_frame,                     // is_main_frame
           parent_is_main_frame,              // parent_is_main_frame
-          0,                                 // parent_render_frame_id
           resource_type,                     // resource_type
           ui::PAGE_TRANSITION_LINK,          // transition_type
           false,                             // should_replace_current_entry
@@ -132,7 +131,6 @@ ResourceRequestInfoImpl::ResourceRequestInfoImpl(
     int render_frame_id,
     bool is_main_frame,
     bool parent_is_main_frame,
-    int parent_render_frame_id,
     ResourceType resource_type,
     ui::PageTransition transition_type,
     bool should_replace_current_entry,
@@ -161,7 +159,6 @@ ResourceRequestInfoImpl::ResourceRequestInfoImpl(
       render_frame_id_(render_frame_id),
       is_main_frame_(is_main_frame),
       parent_is_main_frame_(parent_is_main_frame),
-      parent_render_frame_id_(parent_render_frame_id),
       should_replace_current_entry_(should_replace_current_entry),
       is_download_(is_download),
       is_stream_(is_stream),
@@ -239,10 +236,6 @@ bool ResourceRequestInfoImpl::ParentIsMainFrame() const {
   return parent_is_main_frame_;
 }
 
-int ResourceRequestInfoImpl::GetParentRenderFrameID() const {
-  return parent_render_frame_id_;
-}
-
 ResourceType ResourceRequestInfoImpl::GetResourceType() const {
   return resource_type_;
 }
@@ -329,13 +322,11 @@ void ResourceRequestInfoImpl::UpdateForTransfer(
     int route_id,
     int origin_pid,
     int request_id,
-    int parent_render_frame_id,
     base::WeakPtr<ResourceMessageFilter> filter) {
   child_id_ = child_id;
   route_id_ = route_id;
   origin_pid_ = origin_pid;
   request_id_ = request_id;
-  parent_render_frame_id_ = parent_render_frame_id;
   filter_ = filter;
 }