Revert of Add chrome/renderer to the GN build.

build/config/features.gni

Index: build/config/features.gni
diff --git a/build/config/features.gni b/build/config/features.gni
index ccfec7c7bdd663319e46b66058f924067b6a2bdd..79fc222d5c0df124a14b83e52c7faff33f98b561 100644
--- a/build/config/features.gni
+++ b/build/config/features.gni
@@ -16,9 +16,6 @@
   enable_mdns = is_win || is_linux
 
   enable_plugins = !is_android || !is_ios
-
-  # Enables Native Client support.
-  enable_nacl = (!is_ios && !is_android)
 }
 
 # Additional dependent variables -----------------------------------------------
@@ -75,16 +72,3 @@
 use_dbus = is_linux
 
 enable_extensions = (!is_android && !is_ios)
-
-# Variable safe_browsing is used to control the build time configuration for
-# safe browsing feature. Safe browsing can be compiled in 3 different levels: 0
-# disables it, 1 enables it fully, and 2 enables only UI and reporting features
-# without enabling phishing and malware detection. This is useful to integrate
-# a third party phishing/malware detection to existing safe browsing logic.
-if (is_android) {
-  safe_browsing_mode = 2
-} else if (is_ios) {
-  safe_browsing_mode = 0
-} else {
-  safe_browsing_mode = 1
-}