[MIPS64] Add support for building Chromium Linux for mips64r2

This change adds missing parts of mips64r2 support.

Bug: 800754
Change-Id: If37183b7c996effe28b7f687ca86ec7f11d90514
Reviewed-on: https://chromium-review.googlesource.com/860058
Commit-Queue: Lei Zhang <[email protected]>
Reviewed-by: Dirk Pranke <[email protected]>
Reviewed-by: Lei Zhang <[email protected]>
Cr-Commit-Position: refs/heads/master@{#531691}
diff --git a/chrome/installer/linux/BUILD.gn b/chrome/installer/linux/BUILD.gn
index fbf86a5..604c991d 100644
--- a/chrome/installer/linux/BUILD.gn
+++ b/chrome/installer/linux/BUILD.gn
@@ -406,6 +406,8 @@
       deb_arch = "arm"
     } else if (current_cpu == "mipsel") {
       deb_arch = "mipsel"
+    } else if (current_cpu == "mips64el") {
+      deb_arch = "mips64el"
     } else {
       assert(false, "Linux installer not configured for this architecture.")
     }
@@ -460,6 +462,8 @@
         rpm_arch = "arm"
       } else if (current_cpu == "mipsel") {
         rpm_arch = "mipsel"
+      } else if (current_cpu == "mips64el") {
+        rpm_arch = "mips64el"
       } else {
         assert(false, "Linux installer not configured for this architecture.")
       }