[GN] Add support for code signing to "create_bundle" targets.

tools/gn/bundle_data.h

 // Copyright 2016 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.
 
 #ifndef TOOLS_GN_BUNDLE_DATA_H_
 #define TOOLS_GN_BUNDLE_DATA_H_
 
 #include <string>
 #include <vector>
 
+#include "tools/gn/action_values.h"
 #include "tools/gn/bundle_file_rule.h"
 #include "tools/gn/source_dir.h"
+#include "tools/gn/source_file.h"
+#include "tools/gn/substitution_list.h"
 #include "tools/gn/unique_vector.h"
 
 class OutputFile;
-class SourceFile;
 class Settings;
 class Target;
 
 // Returns true if |source| correspond to the path of a file in an asset
 // catalog. If defined |asset_catalog| is set to its path.
 //
 // An asset catalog is an OS X bundle with the ".xcassets" extension. It
 // contains one directory per assets each of them with the ".imageset"
 // extension.
 //
@@ skipping 70 matching lines @@
 
   SourceDir& executable_dir() { return executable_dir_; }
   const SourceDir& executable_dir() const { return executable_dir_; }
 
   SourceDir& plugins_dir() { return plugins_dir_; }
   const SourceDir& plugins_dir() const { return plugins_dir_; }
 
   std::string& product_type() { return product_type_; }
   const std::string& product_type() const { return product_type_; }
 
+  void set_code_signing_script(const SourceFile& script_file) {
+    code_signing_script_ = script_file;
+  }
+  const SourceFile& code_signing_script() const { return code_signing_script_; }
+
+  std::vector<SourceFile>& code_signing_sources() {
+    return code_signing_sources_;
+  }
+  const std::vector<SourceFile>& code_signing_sources() const {
+    return code_signing_sources_;
+  }
+
+  SubstitutionList& code_signing_outputs() { return code_signing_outputs_; }
+  const SubstitutionList& code_signing_outputs() const {
+    return code_signing_outputs_;
+  }
+
+  SubstitutionList& code_signing_args() { return code_signing_args_; }
+  const SubstitutionList& code_signing_args() const {
+    return code_signing_args_;
+  }
+
   // Recursive collection of all bundle_data that the target depends on.
   const UniqueTargets& bundle_deps() const { return bundle_deps_; }
 
  private:
   SourceFiles asset_catalog_sources_;
   BundleFileRules file_rules_;
   UniqueTargets bundle_deps_;
 
   // All those values are subdirectories relative to root_build_dir, and apart
   // from root_dir, they are either equal to root_dir_ or subdirectories of it.
   SourceDir root_dir_;
   SourceDir resources_dir_;
   SourceDir executable_dir_;
   SourceDir plugins_dir_;
 
   // This is the target type as known to Xcode. This is only used to generate
   // the Xcode project file when using --ide=xcode.
   std::string product_type_;
 
+  // Holds the values (script name, sources, outputs, script arguments) for the
+  // code signing step if defined.
+  SourceFile code_signing_script_;
+  std::vector<SourceFile> code_signing_sources_;
+  SubstitutionList code_signing_outputs_;
+  SubstitutionList code_signing_args_;
+
   DISALLOW_COPY_AND_ASSIGN(BundleData);
 };
 
 #endif  // TOOLS_GN_BUNDLE_DATA_H_