Use permissions 0666 on POSIX platforms except Android

base/files/file_util_posix.cc

Index: base/files/file_util_posix.cc
diff --git a/base/files/file_util_posix.cc b/base/files/file_util_posix.cc
index ffa79a45f42d64c933801895c918134f3502dc77..77f93ffd531571a49f3620e02853885ec952021b 100644
--- a/base/files/file_util_posix.cc
+++ b/base/files/file_util_posix.cc
@@ -674,7 +674,12 @@ int ReadFile(const FilePath& filename, char* data, int max_size) {
 
 int WriteFile(const FilePath& filename, const char* data, int size) {
   ThreadRestrictions::AssertIOAllowed();
-  int fd = HANDLE_EINTR(creat(filename.value().c_str(), 0640));
+#if !defined(OS_ANDROID)

[Lei Zhang, 2015/10/13 08:46:40]

nit: how about being positive with if-else defines (and statements) ? (See ToTT
387)

[hashimoto, 2015/10/14 03:18:14]

Acknowledged.

+  const mode_t mode = 0666;
+#else
+  const mode_t mode = 0640;  // Be strict on Android. crbug.com/362887
+#endif
+  int fd = HANDLE_EINTR(creat(filename.value().c_str(), mode));
   if (fd < 0)
     return -1;