Fix GN error on ARM64.

Bug: 855859
Change-Id: Iaa0733f8c897d13323cf88c88e77d28f7892e3e2
Reviewed-on: https://chromium-review.googlesource.com/1113028
Reviewed-by: Thomas Anderson <[email protected]>
Commit-Queue: Thomas Anderson <[email protected]>
Cr-Commit-Position: refs/heads/master@{#569956}
diff --git a/chrome/installer/linux/BUILD.gn b/chrome/installer/linux/BUILD.gn
index fbabd6c3..de0836f 100644
--- a/chrome/installer/linux/BUILD.gn
+++ b/chrome/installer/linux/BUILD.gn
@@ -405,6 +405,8 @@
       deb_arch = "amd64"
     } else if (current_cpu == "arm") {
       deb_arch = "arm"
+    } else if (current_cpu == "arm64") {
+      deb_arch = "arm64"
     } else if (current_cpu == "mipsel") {
       deb_arch = "mipsel"
     } else if (current_cpu == "mips64el") {
@@ -461,6 +463,8 @@
         rpm_arch = "x86_64"
       } else if (current_cpu == "arm") {
         rpm_arch = "arm"
+      } else if (current_cpu == "arm64") {
+        rpm_arch = "arm64"
       } else if (current_cpu == "mipsel") {
         rpm_arch = "mipsel"
       } else if (current_cpu == "mips64el") {