Fix debain package issue for ARM64.

Bug: 862500
Change-Id: Ib456bdb3773cf9f50d7de85275804700c807f18e
Reviewed-on: https://chromium-review.googlesource.com/1134578
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#574469}
diff --git a/chrome/installer/linux/debian/build.sh b/chrome/installer/linux/debian/build.sh
index 8234caf..306b59c 100755
--- a/chrome/installer/linux/debian/build.sh
+++ b/chrome/installer/linux/debian/build.sh
@@ -278,6 +278,9 @@
   arm )
     export ARCHITECTURE="armhf"
     ;;
+  arm64 )
+    export ARCHITECTURE="arm64"
+    ;;
   ia32 )
     export ARCHITECTURE="i386"
     ;;
diff --git a/chrome/installer/linux/debian/calculate_package_deps.py b/chrome/installer/linux/debian/calculate_package_deps.py
index 2bef1f6..84fdc25 100755
--- a/chrome/installer/linux/debian/calculate_package_deps.py
+++ b/chrome/installer/linux/debian/calculate_package_deps.py
@@ -41,6 +41,9 @@
 elif arch == 'arm':
   cmd.extend(['-l%s/usr/lib/arm-linux-gnueabihf' % sysroot,
               '-l%s/lib/arm-linux-gnueabihf' % sysroot])
+elif arch == 'arm64':
+  cmd.extend(['-l%s/usr/lib/aarch64-linux-gnu' % sysroot,
+              '-l%s/lib/aarch64-linux-gnu' % sysroot])
 elif arch == 'mipsel':
   cmd.extend(['-l%s/usr/lib/mipsel-linux-gnu' % sysroot,
               '-l%s/lib/mipsel-linux-gnu' % sysroot])