[chromedriver] Separate stuff of chrome from chromedriver.

chrome/test/chromedriver/chrome_finder.cc

-// Copyright (c) 2012 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/test/chromedriver/chrome_finder.h"
-
-#include <string>
-#include <vector>
-
-#include "base/base_paths.h"
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/environment.h"
-#include "base/file_util.h"
-#include "base/files/file_path.h"
-#include "base/path_service.h"
-#include "base/utf_string_conversions.h"
-#include "build/build_config.h"
-
-#if defined(OS_WIN)
-#include "base/win/windows_version.h"
-#endif
-
-namespace {
-
-#if defined(OS_WIN)
-void GetApplicationDirs(std::vector<base::FilePath>* locations) {
-  // Add user-level location.
-  scoped_ptr<base::Environment> env(base::Environment::Create());
-  std::string home_dir;
-  if (env->GetVar("userprofile", &home_dir)) {
-    base::FilePath default_location(UTF8ToWide(home_dir));
-    if (base::win::GetVersion() < base::win::VERSION_VISTA) {
-      default_location = default_location.Append(
-          L"Local Settings\\Application Data");
-    } else {
-      default_location = default_location.Append(L"AppData\\Local");
-    }
-    locations->push_back(default_location);
-  }
-
-  // Add the system-level location.
-  std::string program_dir;
-  if (env->GetVar("ProgramFiles", &program_dir))
-    locations->push_back(base::FilePath(UTF8ToWide(program_dir)));
-  if (env->GetVar("ProgramFiles(x86)", &program_dir))
-    locations->push_back(base::FilePath(UTF8ToWide(program_dir)));
-}
-#elif defined(OS_LINUX)
-void GetApplicationDirs(std::vector<base::FilePath>* locations) {
-  locations->push_back(base::FilePath("/opt/google/chrome"));
-  locations->push_back(base::FilePath("/usr/local/bin"));
-  locations->push_back(base::FilePath("/usr/local/sbin"));
-  locations->push_back(base::FilePath("/usr/bin"));
-  locations->push_back(base::FilePath("/usr/sbin"));
-  locations->push_back(base::FilePath("/bin"));
-  locations->push_back(base::FilePath("/sbin"));
-}
-#endif
-
-}  // namespace
-
-namespace internal {
-
-bool FindExe(
-    const base::Callback<bool(const base::FilePath&)>& exists_func,
-    const std::vector<base::FilePath>& rel_paths,
-    const std::vector<base::FilePath>& locations,
-    base::FilePath* out_path) {
-  for (size_t i = 0; i < rel_paths.size(); ++i) {
-    for (size_t j = 0; j < locations.size(); ++j) {
-      base::FilePath path = locations[j].Append(rel_paths[i]);
-      if (exists_func.Run(path)) {
-        *out_path = path;
-        return true;
-      }
-    }
-  }
-  return false;
-}
-
-}  // namespace internal
-
-#if defined(OS_MACOSX)
-void GetApplicationDirs(std::vector<base::FilePath>* locations);
-#endif
-
-bool FindChrome(base::FilePath* browser_exe) {
-#if defined(OS_WIN)
-  base::FilePath browser_exes_array[] = {
-      base::FilePath(L"Google\\Chrome\\Application\\chrome.exe"),
-      base::FilePath(L"Chromium\\Application\\chrome.exe")
-  };
-#elif defined(OS_MACOSX)
-  base::FilePath browser_exes_array[] = {
-      base::FilePath("Google Chrome.app/Contents/MacOS/Google Chrome"),
-      base::FilePath("Chromium.app/Contents/MacOS/Chromium")
-  };
-#elif defined(OS_LINUX)
-  base::FilePath browser_exes_array[] = {
-      base::FilePath("google-chrome"),
-      base::FilePath("chrome"),
-      base::FilePath("chromium"),
-      base::FilePath("chromium-browser")
-  };
-#endif
-  std::vector<base::FilePath> browser_exes(
-      browser_exes_array, browser_exes_array + arraysize(browser_exes_array));
-  std::vector<base::FilePath> locations;
-  GetApplicationDirs(&locations);
-  return internal::FindExe(
-      base::Bind(&file_util::PathExists),
-      browser_exes,
-      locations,
-      browser_exe);
-}