Add the mini_installer_syzygy GN 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 8f8cb406fb7a16dee6a0727b3525d83acc2aa740..a5f9c71081dfc568542f1b0b62d6d8c55f048cf5 100644
--- a/chrome/installer/mini_installer/BUILD.gn
+++ b/chrome/installer/mini_installer/BUILD.gn
@@ -2,8 +2,10 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/config/compiler/compiler.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
+import("//build/config/win/visual_studio_version.gni")
 import("//build_overrides/v8.gni")
 import("//chrome/test/mini_installer/mini_installer_test.gni")
 import("//chrome/version.gni")
@@ -72,8 +74,6 @@ source_set("unit_tests") {
   ]
 }
 
-packed_files_rc_file = "$target_gen_dir/packed_files.rc"
-
 # The runtime deps are used to tell create_installer_archive what component
 # DLLs need to be packaged in a component build.
 chrome_runtime_deps = "$root_gen_dir/chrome_component.runtime_deps"
@@ -93,145 +93,176 @@ group("setup_runtime_deps") {
   ]
 }
 
-action("archive") {
-  script = "//chrome/tools/build/win/create_installer_archive.py"
+# Generates a mini installer.
+#
+#   out_dir (required)
+#     The output directory out_dir where the mini_installer image should be
+#     written.
+#
+#   deps (required)
+#     Normal meaning.
+template("generate_mini_installer") {
+  custom_deps = invoker.deps
+  output_dir = invoker.out_dir
 
-  release_file = "chrome.release"
+  packed_files_rc_file = "$target_gen_dir/$target_name/packed_files.rc"
+  archive_name = target_name + "_archive"
+  staging_dir = "$target_gen_dir/$target_name"
 
-  inputs = [
-    "$root_out_dir/chrome.exe",
-    "$root_out_dir/chrome.dll",
-    "$root_out_dir/locales/en-US.pak",
-    "$root_out_dir/setup.exe",
-    release_file,
-  ]
+  action(archive_name) {
+    script = "//chrome/tools/build/win/create_installer_archive.py"
 
-  outputs = [
-    # See also chrome.packed.7z conditionally added below.
-    "$root_out_dir/chrome.7z",
-    "$root_out_dir/setup.ex_",
-    packed_files_rc_file,
-  ]
-  args = [
-    "--build_dir",
-    rebase_path(root_out_dir, root_build_dir),
-    "--staging_dir",
-    rebase_path(root_gen_dir, root_build_dir),
-    "--input_file",
-    rebase_path(release_file, root_build_dir),
-    "--resource_file_path",
-    rebase_path(packed_files_rc_file, root_build_dir),
-    "--target_arch=$current_cpu",
-    "--distribution=_google_chrome",
-    "--chrome_runtime_deps",
-    rebase_path(chrome_runtime_deps, root_build_dir),
-    "--setup_runtime_deps",
-    rebase_path(setup_runtime_deps, root_build_dir),
-
-    # Optional arguments to generate diff installer.
-    #'--last_chrome_installer=C:/Temp/base',
-    #'--setup_exe_format=DIFF',
-    #'--diff_algorithm=COURGETTE',
-
-    # Optional argument for verbose archiving output.
-    #'--verbose',
-  ]
+    release_file = "chrome.release"
 
-  deps = [
-    ":chrome_runtime_deps",
-    ":setup_runtime_deps",
-    "//chrome",
-    "//chrome:main_dll",
-    "//chrome/browser/extensions/default_extensions",
-    "//chrome/installer/setup",
-    "//third_party/icu:icudata",
-  ]
+    inputs = [
+      "$output_dir/chrome.dll",
+      "$root_out_dir/chrome.exe",
+      "$root_out_dir/locales/en-US.pak",
+      "$root_out_dir/setup.exe",
+      release_file,
+    ]
 
-  if (enable_hidpi) {
-    args += [ "--enable_hidpi=1" ]
-  }
-  if (is_component_build) {
-    args += [ "--component_build=1" ]
-  } else {
-    outputs += [ "$root_out_dir/chrome.packed.7z" ]
-  }
+    outputs = [
+      # See also chrome.packed.7z conditionally added below.
+      "$output_dir/chrome.7z",
+      "$output_dir/setup.ex_",
+      packed_files_rc_file,
+    ]
+    args = [
+      "--build_dir",
+      rebase_path(root_out_dir, root_build_dir),
+      "--staging_dir",
+      rebase_path(staging_dir, root_build_dir),
+      "--input_file",
+      rebase_path(release_file, root_build_dir),
+      "--resource_file_path",
+      rebase_path(packed_files_rc_file, root_build_dir),
+      "--target_arch=$current_cpu",
+      "--distribution=_google_chrome",
+      "--output_dir",
+      rebase_path(output_dir, root_build_dir),
+      "--chrome_runtime_deps",
+      rebase_path(chrome_runtime_deps, root_build_dir),
+      "--setup_runtime_deps",
+      rebase_path(setup_runtime_deps, root_build_dir),
+
+      # Optional arguments to generate diff installer.
+      #'--last_chrome_installer=C:/Temp/base',
+      #'--setup_exe_format=DIFF',
+      #'--diff_algorithm=COURGETTE',
+
+      # Optional argument for verbose archiving output.
+      #'--verbose',
+    ]
+
+    deps = custom_deps + [
+             ":chrome_runtime_deps",
+             ":setup_runtime_deps",
+             "//chrome",
+             "//chrome/browser/extensions/default_extensions",
+             "//chrome/installer/setup",
+             "//third_party/icu:icudata",
+           ]
+
+    if (enable_hidpi) {
+      args += [ "--enable_hidpi=1" ]
+    }
+    if (is_component_build) {
+      args += [ "--component_build=1" ]
+    } else {
+      outputs += [ "$output_dir/chrome.packed.7z" ]
+    }
+
+    if (enable_nacl) {
+      inputs += [ "$root_out_dir/nacl_irt_x86_64.nexe" ]
+      deps += [ "//ppapi/native_client:irt" ]
+      if (current_cpu == "x86") {
+        inputs += [
+          "$root_out_dir/nacl64.exe",
+          "$root_out_dir/nacl_irt_x86_32.nexe",
+        ]
+        deps += [ "//components/nacl/broker:nacl64" ]
+      }
+    }
+
+    if (icu_use_data_file) {
+      inputs += [ "$root_out_dir/icudtl.dat" ]
+    } else {
+      inputs += [ "$root_out_dir/icudt.dll" ]
+    }
 
-  if (enable_nacl) {
-    inputs += [ "$root_out_dir/nacl_irt_x86_64.nexe" ]
-    deps += [ "//ppapi/native_client:irt" ]
-    if (current_cpu == "x86") {
+    if (v8_use_external_startup_data) {
       inputs += [
-        "$root_out_dir/nacl64.exe",
-        "$root_out_dir/nacl_irt_x86_32.nexe",
+        "$root_out_dir/natives_blob.bin",
+        "$root_out_dir/snapshot_blob.bin",
       ]
-      deps += [ "//components/nacl/broker:nacl64" ]
+      deps += [ "//v8" ]
     }
-  }
-
-  if (icu_use_data_file) {
-    inputs += [ "$root_out_dir/icudtl.dat" ]
-  } else {
-    inputs += [ "$root_out_dir/icudt.dll" ]
-  }
 
-  if (v8_use_external_startup_data) {
-    inputs += [
-      "$root_out_dir/natives_blob.bin",
-      "$root_out_dir/snapshot_blob.bin",
+    depfile = "$target_gen_dir/archive.d"
+    args += [
+      "--depfile",
+      rebase_path(depfile, root_build_dir),
     ]
-    deps += [ "//v8" ]
   }
 
-  depfile = "$target_gen_dir/archive.d"
-  args += [
-    "--depfile",
-    rebase_path(depfile, root_build_dir),
-  ]
-}
+  executable(target_name) {
+    output_name = "mini_installer"
+    sources = [
+      "mini_installer.cc",
+      packed_files_rc_file,
+    ]
 
-executable("mini_installer") {
-  sources = [
-    "mini_installer.cc",
-    packed_files_rc_file,
-  ]
+    # This target is special so we manually override most linker flags and
+    # specify our own to keep the size down. Also make sure that we don't use
+    # WPO as it's not supported by the mini installer.
+    configs -= [
+      "//build/config/compiler:default_optimization",
+      "//build/config:executable_config",
+      "//build/config/win:console",
+    ]
+    configs += [
+      ":mini_installer_compiler_flags",
+      "//build/config/compiler:optimize_no_wpo",
+      "//build/config/win:sdk_link",
+      "//build/config/win:windowed",
+    ]
 
-  # This target is special so we manually override most linker flags and
-  # specify our own to keep the size down. Also make sure that we don't use
-  # WPO as it's not supported by the mini installer.
-  configs -= [
-    "//build/config/compiler:default_optimization",
-    "//build/config:executable_config",
-    "//build/config/win:console",
-  ]
-  configs += [
-    ":mini_installer_compiler_flags",
-    "//build/config/win:sdk_link",
-    "//build/config/win:windowed",
-  ]
-  if (!is_debug) {
-    configs += [ "//build/config/compiler:optimize_no_wpo" ]
-  } else {
-    configs += [ "//build/config/compiler:no_optimize" ]
-  }
+    ldflags = [
+      "/ENTRY:MainEntryPoint",
+      "/FIXED:NO",
+      "/ignore:4199",
+      "/NXCOMPAT",
+    ]
 
-  ldflags = [
-    "/ENTRY:MainEntryPoint",
-    "/FIXED:NO",
-    "/ignore:4199",
-    "/NXCOMPAT",
-  ]
+    libs = [ "setupapi.lib" ]
 
-  libs = [ "setupapi.lib" ]
+    deps = [
+      ":$archive_name",
+      ":lib",
+      ":version",
+      "//build/config/sanitizers:deps",
+      "//build/win:default_exe_manifest",
+    ]
+  }
+}
 
+generate_mini_installer("mini_installer") {
+  out_dir = root_out_dir
   deps = [
-    ":archive",
-    ":lib",
-    ":version",
-    "//build/config/sanitizers:deps",
-    "//build/win:default_exe_manifest",
+    "//chrome:main_dll",
   ]
 }
 
+if (syzygy_optimize) {
+  generate_mini_installer("mini_installer_syzygy") {
+    out_dir = "$root_out_dir/syzygy/"
+    deps = [
+      "//chrome/tools/build/win/syzygy:chrome_dll_syzygy",
+    ]
+  }
+}
+
 # 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")) {