Introduce Zucchini in chromium

Zucchini is a patching tool inspired by Courgette, for delta compression of archives containing common exexecutable formats.
This is the first step of integrating Zucchini in Chrome Installer.

BUG=729154

Review-Url: https://codereview.chromium.org/2922273002
Cr-Commit-Position: refs/heads/master@{#480997}

BUILD.gn

@@ -98,6 +98,8 @@ group("gn_all") {
   if (!is_ios && !is_android && !is_chromecast && !is_fuchsia) {
     deps += [
       "//chrome",
+      "//chrome/installer/zucchini:zucchini",
+      "//chrome/installer/zucchini:zucchini_unittests",
       "//chrome/test:browser_tests",
       "//chrome/test:interactive_ui_tests",
       "//chrome/test:sync_integration_tests",

chrome/installer/zucchini/BUILD.gn

+# Copyright 2017 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//chrome/process_version_rc_template.gni")
+import("//testing/test.gni")
+
+executable("zucchini") {
+  sources = [
+    "zucchini_main.cc",
+  ]
+
+  deps = []
+
+  if (is_win) {
+    deps += [ ":zucchini_exe_version" ]
+  }
+}
+
+if (is_win) {
+  process_version_rc_template("zucchini_exe_version") {
+    template_file = "zucchini_exe_version.rc.version"
+    output = "$target_gen_dir/zucchini_exe_version.rc"
+  }
+}
+
+test("zucchini_unittests") {
+  sources = []
+
+  deps = [
+    "//base/test:run_all_unittests",
+  ]
+}

chrome/installer/zucchini/OWNERS

+huangs@chromium.org
+etiennep@chromium.org
+wfh@chromium.org
+
+# COMPONENT: Internals>Installer>Diff

chrome/installer/zucchini/zucchini_exe_version.rc.version

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <verrsrc.h>
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION @MAJOR@,@MINOR@,@BUILD@,@PATCH@
+ PRODUCTVERSION @MAJOR@,@MINOR@,@BUILD@,@PATCH@
+ FILEFLAGSMASK 0x17L
+#ifdef _DEBUG
+ FILEFLAGS 0x1L
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS 0x4L
+ FILETYPE 0x1L
+ FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904b0"
+        BEGIN
+            VALUE "CompanyName", "@COMPANY_FULLNAME@"
+            VALUE "FileDescription", "Zucchini"
+            VALUE "FileVersion", "@MAJOR@.@MINOR@.@BUILD@.@PATCH@"
+            VALUE "InternalName", "zucchini"
+            VALUE "LegalCopyright", "@COPYRIGHT@"
+            VALUE "ProductName", "Zucchini"
+            VALUE "ProductVersion", "@MAJOR@.@MINOR@.@BUILD@.@PATCH@"
+            VALUE "CompanyShortName", "@COMPANY_SHORTNAME@"
+            VALUE "ProductShortName", "Zucchini"
+            VALUE "LastChange", "@LASTCHANGE@"
+            VALUE "Official Build", "@OFFICIAL_BUILD@"
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1200
+    END
+END

chrome/installer/zucchini/zucchini_main.cc

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+int main(int argc, const char* argv[]) {
+  return 0;
+}