Revert "Add path utils, plus a test for it."

include/core/SkOSFile.h

Index: include/core/SkOSFile.h
diff --git a/include/core/SkOSFile.h b/include/core/SkOSFile.h
index 8564d43027a8a3b2e37a97a74f923b668399fecb..257b66ae67b30454d5819bcf21a15752bc378d9b 100644
--- a/include/core/SkOSFile.h
+++ b/include/core/SkOSFile.h
@@ -105,27 +105,4 @@ private:
     uint16_t*   fStr;
 };
 
-/**
- *  Functions for modifying SkStrings which represent paths on the filesystem.
- */
-class SkOSPath {
-public:
-    /**
-     * Assembles rootPath and relativePath into a single path, like this:
-     * rootPath/relativePath
-     *
-     * Uses SkPATH_SEPARATOR, to work on all platforms.
-     */
-    static SkString SkPathJoin(const char *rootPath, const char *relativePath);
-
-    /**
-     *  Return the name of the file, ignoring the directory structure.
-     *  Behaves like python's os.path.basename. If the fullPath is
-     *  /dir/subdir/, an empty string is returned.
-     *  @param fullPath Full path to the file.
-     *  @return SkString The basename of the file - anything beyond the
-     *      final slash, or the full name if there is no slash.
-     */
-    static SkString SkBasename(const char* fullPath);
-};
 #endif