Add next_version_mini_installer target.

chrome/installer/mini_installer/BUILD.gn

Index: chrome/installer/mini_installer/BUILD.gn
diff --git a/chrome/installer/mini_installer/BUILD.gn b/chrome/installer/mini_installer/BUILD.gn
index 643d7bd8bde133015266bb3fe23ea1beee91ed26..3c51be189225b0bdada8289d48d45ef3010db248 100644
--- a/chrome/installer/mini_installer/BUILD.gn
+++ b/chrome/installer/mini_installer/BUILD.gn
@@ -204,3 +204,27 @@ executable("mini_installer") {
     "//build/win:default_exe_manifest",
   ]
 }
+
+# next_version_mini_installer.exe can't be generated in an x86 Debug component
+# build because it requires too much memory.
+if (!(is_component_build && is_debug && target_cpu == "x86")) {
+  action("next_version_mini_installer") {
+    script = "generate_next_version_mini_installer.py"
+    testonly = true
+    inputs = [
+      "$root_out_dir/alternate_version_generator.exe",
+      "$root_out_dir/mini_installer.exe",
+    ]
+    outputs = [
+      "$root_out_dir/$target_name.exe",
+    ]
+    args = [
+      "--out",
+      "$target_name.exe",
+    ]
+    deps = [
+      ":mini_installer",
+      "//chrome/installer/test:alternate_version_generator",
+    ]
+  }
+}