rename some base _linux files to _posix so that others can use it too

base/base_paths_linux.cc

Index: base/base_paths_linux.cc
diff --git a/base/base_paths_linux.cc b/base/base_paths_linux.cc
deleted file mode 100644
index 36d5ee73ace52b359b189a9dcbb21dec9a29dc02..0000000000000000000000000000000000000000
--- a/base/base_paths_linux.cc
+++ /dev/null
@@ -1,135 +0,0 @@
-// Copyright (c) 2011 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 "base/base_paths.h"
-
-#include <ostream>
-#include <string>
-
-#include "build/build_config.h"
-#include "base/environment.h"
-#include "base/file_path.h"
-#include "base/file_util.h"
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/path_service.h"
-#include "base/nix/xdg_util.h"
-
-#if defined(OS_FREEBSD)
-#include <sys/param.h>
-#include <sys/sysctl.h>
-#elif defined(OS_SOLARIS)
-#include <stdlib.h>
-#endif
-
-namespace base {
-
-#if defined(OS_LINUX)
-const char kSelfExe[] = "/proc/self/exe";
-#endif
-
-// The name of this file relative to the source root. This is used for checking
-// that the source checkout is in the correct place.
-static const char kThisSourceFile[] = "base/base_paths_linux.cc";
-
-bool PathProviderPosix(int key, FilePath* result) {
-  FilePath path;
-  switch (key) {
-    case base::FILE_EXE:
-    case base::FILE_MODULE: {  // TODO(evanm): is this correct?
-#if defined(OS_LINUX)
-      FilePath bin_dir;
-      if (!file_util::ReadSymbolicLink(FilePath(kSelfExe), &bin_dir)) {
-        NOTREACHED() << "Unable to resolve " << kSelfExe << ".";
-        return false;
-      }
-      *result = bin_dir;
-      return true;
-#elif defined(OS_FREEBSD)
-      int name[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
-      char bin_dir[PATH_MAX + 1];
-      size_t length = sizeof(bin_dir);
-      // Upon return, |length| is the number of bytes written to |bin_dir|
-      // including the string terminator.
-      int error = sysctl(name, 4, bin_dir, &length, NULL, 0);
-      if (error < 0 || length <= 1) {
-        NOTREACHED() << "Unable to resolve path.";
-        return false;
-      }
-      *result = FilePath(FilePath::StringType(bin_dir, length - 1));
-      return true;
-#elif defined(OS_SOLARIS)
-      char bin_dir[PATH_MAX + 1];
-      if (realpath(getexecname(), bin_dir) == NULL) {
-        NOTREACHED() << "Unable to resolve " << getexecname() << ".";
-        return false;
-      }
-      *result = FilePath(bin_dir);
-      return true;
-#elif defined(OS_OPENBSD)
-      // There is currently no way to get the executable path on OpenBSD
-      char *cpath;
-      if ((cpath = getenv("CHROME_EXE_PATH")) != NULL)
-        *result = FilePath(cpath);
-      else
-        *result = FilePath("/usr/local/chrome/chrome");
-      return true;
-#endif
-    }
-    case base::DIR_SOURCE_ROOT: {
-      // Allow passing this in the environment, for more flexibility in build
-      // tree configurations (sub-project builds, gyp --output_dir, etc.)
-      scoped_ptr<base::Environment> env(base::Environment::Create());
-      std::string cr_source_root;
-      if (env->GetVar("CR_SOURCE_ROOT", &cr_source_root)) {
-        path = FilePath(cr_source_root);
-        if (file_util::PathExists(path.Append(kThisSourceFile))) {
-          *result = path;
-          return true;
-        } else {
-          DLOG(WARNING) << "CR_SOURCE_ROOT is set, but it appears to not "
-                        << "point to the correct source root directory.";
-        }
-      }
-      // On POSIX, unit tests execute two levels deep from the source root.
-      // For example:  out/{Debug|Release}/net_unittest
-      if (PathService::Get(base::DIR_EXE, &path)) {
-        path = path.DirName().DirName();
-        if (file_util::PathExists(path.Append(kThisSourceFile))) {
-          *result = path;
-          return true;
-        }
-      }
-      // In a case of WebKit-only checkout, executable files are put into
-      // <root of checkout>/out/{Debug|Release}, and we should return
-      // <root of checkout>/Source/WebKit/chromium for DIR_SOURCE_ROOT.
-      if (PathService::Get(base::DIR_EXE, &path)) {
-        path = path.DirName().DirName().Append("Source/WebKit/chromium");
-        if (file_util::PathExists(path.Append(kThisSourceFile))) {
-          *result = path;
-          return true;
-        }
-      }
-      // If that failed (maybe the build output is symlinked to a different
-      // drive) try assuming the current directory is the source root.
-      if (file_util::GetCurrentDirectory(&path) &&
-          file_util::PathExists(path.Append(kThisSourceFile))) {
-        *result = path;
-        return true;
-      }
-      DLOG(ERROR) << "Couldn't find your source root.  "
-                  << "Try running from your chromium/src directory.";
-      return false;
-    }
-    case base::DIR_CACHE:
-      scoped_ptr<base::Environment> env(base::Environment::Create());
-      FilePath cache_dir(base::nix::GetXDGDirectory(env.get(), "XDG_CACHE_HOME",
-                                                    ".cache"));
-      *result = cache_dir;
-      return true;
-  }
-  return false;
-}
-
-}  // namespace base