Refactor of the GetEmbedderInformation APIs

runtime/bin/main.cc

Index: runtime/bin/main.cc
diff --git a/runtime/bin/main.cc b/runtime/bin/main.cc
index ffbc2e738135cdef6550cf493f225e9792d5d9a9..a031e6f07504a55e2d93f289d9e4b04d36d89720 100644
--- a/runtime/bin/main.cc
+++ b/runtime/bin/main.cc
@@ -1360,13 +1360,9 @@ static bool FileModifiedCallback(const char* url, int64_t since) {
 }
 
 static void EmbedderInformationCallback(Dart_EmbedderInformation* info) {
-  int64_t max_rss = Process::MaxRSS();
-  int64_t current_rss = Process::CurrentRSS();
-
   info->version = DART_EMBEDDER_INFORMATION_CURRENT_VERSION;
   info->name = "Dart VM";
-  info->max_rss = max_rss >= 0 ? max_rss : 0;
-  info->current_rss = current_rss >= 0 ? current_rss : 0;
+  Process::GetRSSInformation(&(info->max_rss), &(info->current_rss));
 }
 
 static void GenerateAppAOTSnapshot() {