Refactor FileVersionInfo into an interface with platform implementations.

chrome/app/chrome_version_info.cc

+// Copyright (c) 2010 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 "chrome/app/chrome_version_info.h"
+
+#include "base/basictypes.h"
+#include "base/file_version_info.h"
+#include "build/build_config.h"
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+#include "chrome/app/chrome_version_info_posix.h"
+
+// Posix files don't have per-file version information, so we get chrome
+// version information from chrome_version_info_posix.h, a generated header.
+class ChromeVersionInfoPosix : public FileVersionInfo {
+ public:
+  ChromeVersionInfoPosix() {}
+
+  virtual std::wstring company_name() { return COMPANY_NAME; }
+  virtual std::wstring company_short_name() { return COMPANY_SHORT_NAME; }
+  virtual std::wstring product_name() { return PRODUCT_NAME; }
+  virtual std::wstring product_short_name() { return PRODUCT_SHORT_NAME; }
+  virtual std::wstring internal_name() { return INTERNAL_NAME; }
+  virtual std::wstring product_version() { return PRODUCT_VERSION; }
+  virtual std::wstring private_build() { return PRIVATE_BUILD; }
+  virtual std::wstring special_build() { return SPECIAL_BUILD; }
+  virtual std::wstring comments() { return COMMENTS; }
+  virtual std::wstring original_filename() { return ORIGINAL_FILENAME; }
+  virtual std::wstring file_description() { return FILE_DESCRIPTION; }
+  virtual std::wstring file_version() { return FILE_VERSION; }
+  virtual std::wstring legal_copyright() { return LEGAL_COPYRIGHT; }
+  virtual std::wstring legal_trademarks() { return LEGAL_TRADEMARKS; }
+  virtual std::wstring last_change() { return LAST_CHANGE; }
+  virtual bool is_official_build() { return OFFICIAL_BUILD; }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ChromeVersionInfoPosix);
+};
+#endif
+
+namespace chrome_app {
+
+FileVersionInfo* GetChromeVersionInfo() {
+#if defined(OS_WIN) || defined(OS_MACOSX)
+  return FileVersionInfo::CreateFileVersionInfoForCurrentModule();
+#elif defined(OS_POSIX)
+  return new ChromeVersionInfoPosix();
+#endif
+}
+
+}  // namespace chrome_app