Use FilePath::DirName instead of the deprecated file_util::GetDirectoryFromPath.

base/file_util_deprecated.h

Index: base/file_util_deprecated.h
diff --git a/base/file_util_deprecated.h b/base/file_util_deprecated.h
index bb8f7f99532e5ea975f5d79388426f43bec96004..dac4b452ab90fd607f8c0917fb384041de1cb520 100644
--- a/base/file_util_deprecated.h
+++ b/base/file_util_deprecated.h
@@ -27,18 +27,6 @@ namespace file_util {
 FILE* OpenFile(const std::string& filename, const char* mode);
 FILE* OpenFile(const std::wstring& filename, const char* mode);
 
-// Returns the directory component of a path, without the trailing
-// path separator, or an empty string on error. The function does not
-// check for the existence of the path, so if it is passed a directory
-// without the trailing \, it will interpret the last component of the
-// path as a file and chomp it. This does not support relative paths.
-// Examples:
-// path == "C:\pics\jojo.jpg",     returns "C:\pics"
-// path == "C:\Windows\system32\", returns "C:\Windows\system32"
-// path == "C:\Windows\system32",  returns "C:\Windows"
-// Deprecated. Use FilePath's DirName() instead.
-std::wstring GetDirectoryFromPath(const std::wstring& path);
-
 // Appends new_ending to path, adding a separator between the two if necessary.
 void AppendToPath(std::wstring* path, const std::wstring& new_ending);