Some additions to support symlinks better on platforms that support them.

base/file_util.h

Index: base/file_util.h
diff --git a/base/file_util.h b/base/file_util.h
index bba7e2d201547c1ef270e2d04c75aa7ced034703..e34d0defe9a8220993f2626cbf03381dec82b420 100644
--- a/base/file_util.h
+++ b/base/file_util.h
@@ -179,6 +179,14 @@ bool ReadFileToString(const FilePath& path, std::string* contents);
 // in |buffer|. This function is protected against EINTR and partial reads.
 // Returns true iff |bytes| bytes have been successfuly read from |fd|.
 bool ReadFromFD(int fd, char* buffer, size_t bytes);
+
+// Creates a symbolic link at |symlink| pointing to |target|.  Returns
+// false on failure.
+bool CreateSymbolicLink(const FilePath& target, const FilePath& symlink);
+
+// Reads the given |symlink| and returns where it points to in |target|.
+// Returns false upon failure.
+bool ReadSymbolicLink(const FilePath& symlink, FilePath* target);
 #endif  // defined(OS_POSIX)
 
 #if defined(OS_WIN)