Move PathIsWritable, DirectoryExists, ContentsEqual, and TextContentsEqual to the base namespace.

base/file_util.h

Index: base/file_util.h
diff --git a/base/file_util.h b/base/file_util.h
index 095734bdc8ff2247045f7fbd1f88d122765b2e4f..e6d7ac8fc40a593abfa55618bd02c6c68907b23c 100644
--- a/base/file_util.h
+++ b/base/file_util.h
@@ -116,27 +116,27 @@ BASE_EXPORT bool CopyDirectory(const FilePath& from_path,
 // false otherwise.
 BASE_EXPORT bool PathExists(const FilePath& path);
 
-}  // namespace base
-
-// -----------------------------------------------------------------------------
-
-namespace file_util {
-
 // Returns true if the given path is writable by the user, false otherwise.
-BASE_EXPORT bool PathIsWritable(const base::FilePath& path);
+BASE_EXPORT bool PathIsWritable(const FilePath& path);
 
 // Returns true if the given path exists and is a directory, false otherwise.
-BASE_EXPORT bool DirectoryExists(const base::FilePath& path);
+BASE_EXPORT bool DirectoryExists(const FilePath& path);
 
 // Returns true if the contents of the two files given are equal, false
 // otherwise.  If either file can't be read, returns false.
-BASE_EXPORT bool ContentsEqual(const base::FilePath& filename1,
-                               const base::FilePath& filename2);
+BASE_EXPORT bool ContentsEqual(const FilePath& filename1,
+                               const FilePath& filename2);
 
 // Returns true if the contents of the two text files given are equal, false
 // otherwise.  This routine treats "\r\n" and "\n" as equivalent.
-BASE_EXPORT bool TextContentsEqual(const base::FilePath& filename1,
-                                   const base::FilePath& filename2);
+BASE_EXPORT bool TextContentsEqual(const FilePath& filename1,
+                                   const FilePath& filename2);
+
+}  // namespace base
+
+// -----------------------------------------------------------------------------
+
+namespace file_util {
 
 // Read the file at |path| into |contents|, returning true on success.
 // This function fails if the |path| contains path traversal components ('..').