build: Remove build system support for gold plugin, except under ChromeOS.

build/toolchain/linux/BUILD.gn

Index: build/toolchain/linux/BUILD.gn
diff --git a/build/toolchain/linux/BUILD.gn b/build/toolchain/linux/BUILD.gn
index 5b7689f9f2d31f796a990252e16430fb3d08ad12..a6d790e777c65212e286fae7e0645294ab096cd6 100644
--- a/build/toolchain/linux/BUILD.gn
+++ b/build/toolchain/linux/BUILD.gn
@@ -2,6 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/config/compiler/compiler.gni")
 import("//build/config/sysroot.gni")
 import("//build/toolchain/gcc_toolchain.gni")
 
@@ -59,7 +60,9 @@ gcc_toolchain("arm") {
 
 clang_toolchain("clang_x86") {
   # Output linker map files for binary size analysis.
-  enable_linker_map = true
+  # Currently disabled on LLD because of a bug (fixed upstream).
+  # See https://crbug.com/716209.
+  enable_linker_map = !use_lld
 
   toolchain_args = {
     current_cpu = "x86"
@@ -93,7 +96,9 @@ gcc_toolchain("x86") {
   ld = cxx
 
   # Output linker map files for binary size analysis.
-  enable_linker_map = true
+  # Currently disabled on LLD because of a bug (fixed upstream).
+  # See https://crbug.com/716209.
+  enable_linker_map = !use_lld
 
   toolchain_args = {
     current_cpu = "x86"
@@ -104,7 +109,9 @@ gcc_toolchain("x86") {
 
 clang_toolchain("clang_x64") {
   # Output linker map files for binary size analysis.
-  enable_linker_map = true
+  # Currently disabled on LLD because of a bug (fixed upstream).
+  # See https://crbug.com/716209.
+  enable_linker_map = !use_lld
 
   toolchain_args = {
     current_cpu = "x64"
@@ -138,7 +145,9 @@ gcc_toolchain("x64") {
   ld = cxx
 
   # Output linker map files for binary size analysis.
-  enable_linker_map = true
+  # Currently disabled on LLD because of a bug (fixed upstream).
+  # See https://crbug.com/716209.
+  enable_linker_map = !use_lld
 
   toolchain_args = {
     current_cpu = "x64"