[NaCl SDK] nacl_io: Fix html5fs stat on directories

This used to return RWX, but regressed as of
314a240e.

BUG=none
R=sbc@chromium.org
R=bradnelson@chromium.org

Review URL: https://codereview.chromium.org/587933003

Cr-Commit-Position: refs/heads/master@{#295844}

native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc

@@ -268,13 +268,17 @@ Error Html5FsNode::Init(int open_flags) {
     return EIO;
   }
 
+  // Set all files and directories to RWX.
+  SetMode(S_IWALL | S_IRALL | S_IXALL);
+
   // First query the FileRef to see if it is a file or directory.
   PP_FileInfo file_info;
   int32_t query_result = file_ref_iface_->Query(
       fileref_resource_, &file_info, PP_BlockUntilComplete());
   // If this is a directory, do not get a FileIO.
-  if (query_result == PP_OK && file_info.type == PP_FILETYPE_DIRECTORY)
+  if (query_result == PP_OK && file_info.type == PP_FILETYPE_DIRECTORY) {
     return 0;
+  }
 
   fileio_resource_ =
       file_io_iface_->Create(filesystem_->ppapi()->GetInstance());

native_client_sdk/src/tests/nacl_io_test/html5_fs_test.cc

@@ -389,8 +389,7 @@ TEST_F(Html5FsTest, GetStat) {
   struct stat statbuf;
   EXPECT_EQ(0, node->GetStat(&statbuf));
   EXPECT_EQ(S_IFREG, statbuf.st_mode & S_IFMT);
-  EXPECT_EQ(S_IRUSR | S_IRGRP | S_IROTH |
-            S_IWUSR | S_IWGRP | S_IWOTH, statbuf.st_mode & ~S_IFMT);
+  EXPECT_EQ(S_IRALL | S_IWALL | S_IXALL, statbuf.st_mode & ~S_IFMT);
   EXPECT_EQ(strlen(contents), statbuf.st_size);
   EXPECT_EQ(access_time, statbuf.st_atime);
   EXPECT_EQ(creation_time, statbuf.st_ctime);
@@ -408,8 +407,7 @@ TEST_F(Html5FsTest, GetStat) {
   EXPECT_EQ(0, fs->Open(Path("/dir"), O_RDONLY, &node));
   EXPECT_EQ(0, node->GetStat(&statbuf));
   EXPECT_EQ(S_IFDIR, statbuf.st_mode & S_IFMT);
-  EXPECT_EQ(S_IRUSR | S_IRGRP | S_IROTH |
-            S_IWUSR | S_IWGRP | S_IWOTH, statbuf.st_mode & ~S_IFMT);
+  EXPECT_EQ(S_IRALL | S_IWALL | S_IXALL, statbuf.st_mode & ~S_IFMT);
   EXPECT_EQ(0, statbuf.st_size);
   EXPECT_EQ(access_time, statbuf.st_atime);
   EXPECT_EQ(creation_time, statbuf.st_ctime);