Changing temporary files on posix to have a . in front so they are hidden on ...

base/file_util_posix.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 "base/file_util.h"
 
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <fnmatch.h>
@@ skipping 56 matching lines @@
 }
 #else
 typedef struct stat64 stat_wrapper_t;
 static int CallStat(const char *path, stat_wrapper_t *sb) {
   return stat64(path, sb);
 }
 #endif
 
 
 #if defined(GOOGLE_CHROME_BUILD)
-static const char* kTempFileName = "com.google.chrome.XXXXXX";
+static const char* kTempFileName = ".com.google.chrome.XXXXXX";
 #else
-static const char* kTempFileName = "org.chromium.XXXXXX";
+static const char* kTempFileName = ".org.chromium.XXXXXX";
 #endif
 
 bool AbsolutePath(FilePath* path) {
   char full_path[PATH_MAX];
   if (realpath(path->value().c_str(), full_path) == NULL)
     return false;
   *path = FilePath(full_path);
   return true;
 }
 
@@ skipping 77 matching lines @@
       directories.push(current.value());
     else
       success = (unlink(current.value().c_str()) == 0);
   }
 
   while (success && !directories.empty()) {
     FilePath dir = FilePath(directories.top());
     directories.pop();
     success = (rmdir(dir.value().c_str()) == 0);
   }
-
   return success;
 }
 
 bool Move(const FilePath& from_path, const FilePath& to_path) {
   // Windows compatibility: if to_path exists, from_path and to_path
   // must be the same type, either both files, or both directories.
   stat_wrapper_t to_file_info;
   if (CallStat(to_path.value().c_str(), &to_file_info) == 0) {
     stat_wrapper_t from_file_info;
     if (CallStat(from_path.value().c_str(), &from_file_info) == 0) {
@@ skipping 641 matching lines @@
   if (HANDLE_EINTR(close(infile)) < 0)
     result = false;
   if (HANDLE_EINTR(close(outfile)) < 0)
     result = false;
 
   return result;
 }
 #endif  // defined(OS_MACOSX)
 
 } // namespace file_util