Make docstrings more consistent using format-webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/common/system/filesystem.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/common/system/filesystem.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/common/system/filesystem.py b/third_party/WebKit/Tools/Scripts/webkitpy/common/system/filesystem.py
index 9e5279b7453097e7f3ef1c92bca34efc0294f7d8..7673332eb6f8d72324fde94fa4288d7daa62f312 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/common/system/filesystem.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/common/system/filesystem.py
@@ -45,7 +45,8 @@ class FileSystem(object):
     """FileSystem interface for webkitpy.
 
     Unless otherwise noted, all paths are allowed to be either absolute
-    or relative."""
+    or relative.
+    """
     sep = os.sep
     pardir = os.pardir
 
@@ -217,14 +218,16 @@ class FileSystem(object):
     def read_text_file(self, path):
         """Return the contents of the file at the given path as a Unicode string.
 
-        The file is read assuming it is a UTF-8 encoded file with no BOM."""
+        The file is read assuming it is a UTF-8 encoded file with no BOM.
+        """
         with codecs.open(path, 'r', 'utf8') as f:
             return f.read()
 
     def write_text_file(self, path, contents):
         """Write the contents to the file at the given location.
 
-        The file is written encoded as UTF-8 with no BOM."""
+        The file is written encoded as UTF-8 with no BOM.
+        """
         with codecs.open(path, 'w', 'utf8') as f:
             f.write(contents)
 
@@ -242,7 +245,8 @@ class FileSystem(object):
         """On Windows, if a process was recently killed and it held on to a
         file, the OS will hold on to the file for a short while.  This makes
         attempts to delete the file fail.  To work around that, this method
-        will retry for a few seconds until Windows is done with the file."""
+        will retry for a few seconds until Windows is done with the file.
+        """
         try:
             exceptions.WindowsError
         except AttributeError: