win/clang/x86: Use clang for 64-bit part of cloudprint.

cloud_print/BUILD.gn

Index: cloud_print/BUILD.gn
diff --git a/cloud_print/BUILD.gn b/cloud_print/BUILD.gn
index 75ed5e07e825c7d8d2022baa9d14c1560b98207a..0ec5a6b7072e3e8354a12d5a58bf5c5bc09fb646 100644
--- a/cloud_print/BUILD.gn
+++ b/cloud_print/BUILD.gn
@@ -14,7 +14,12 @@ group("cloud_print") {
     # When compiling 32-bit, also reference the 64-bit driver for installing on
     # 64-bit systems.
     if (target_cpu == "x86" && current_cpu == "x86") {
-      public_deps += [ "//cloud_print/virtual_driver/win/port_monitor(//build/toolchain/win:x64)" ]
+      if (is_clang) {
+        win64 = "//build/toolchain/win:clang_x64"
+      } else {
+        win64 = "//build/toolchain/win:x64"
+      }
+      public_deps += [ "//cloud_print/virtual_driver/win/port_monitor($win64)" ]
     }
   }
 }