Reformat webkitpy.layout_tests w/ format-webkitpy.

Tools/Scripts/webkitpy/layout_tests/breakpad/dump_reader_multipart.py

Index: Tools/Scripts/webkitpy/layout_tests/breakpad/dump_reader_multipart.py
diff --git a/Tools/Scripts/webkitpy/layout_tests/breakpad/dump_reader_multipart.py b/Tools/Scripts/webkitpy/layout_tests/breakpad/dump_reader_multipart.py
index 23a31152b1ea6ff3f15aa2e9b51dfed72237ba71..c2c65834e1b936a46669c13f4e8bf62963a69162 100644
--- a/Tools/Scripts/webkitpy/layout_tests/breakpad/dump_reader_multipart.py
+++ b/Tools/Scripts/webkitpy/layout_tests/breakpad/dump_reader_multipart.py
@@ -37,6 +37,7 @@ _log = logging.getLogger(__name__)
 
 
 class DumpReaderMultipart(DumpReader):
+
     """Base class for Linux and Android breakpad dump reader."""
 
     def __init__(self, host, build_dir):
@@ -65,7 +66,7 @@ class DumpReaderMultipart(DumpReader):
 
         self._generate_breakpad_symbols_if_necessary()
         f, temp_name = self._host.filesystem.open_binary_tempfile('dmp')
-        f.write("\r\n".join(dump['upload_file_minidump']))
+        f.write('\r\n'.join(dump['upload_file_minidump']))
         f.close()
 
         cmd = [self._path_to_minidump_stackwalk(), temp_name, self._symbols_dir()]
@@ -90,7 +91,7 @@ class DumpReaderMultipart(DumpReader):
         return None
 
     def _check_breakpad_tools_available(self):
-        if self._breakpad_tools_available != None:
+        if self._breakpad_tools_available is not None:
             return self._breakpad_tools_available
 
         REQUIRED_BREAKPAD_TOOLS = [
@@ -114,10 +115,10 @@ class DumpReaderMultipart(DumpReader):
         return self._breakpad_tools_available
 
     def _path_to_minidump_stackwalk(self):
-        return self._host.filesystem.join(self._build_dir, "minidump_stackwalk")
+        return self._host.filesystem.join(self._build_dir, 'minidump_stackwalk')
 
     def _path_to_generate_breakpad_symbols(self):
-        return self._webkit_finder.path_from_chromium_base("components", "crash", "tools", "generate_breakpad_symbols.py")
+        return self._webkit_finder.path_from_chromium_base('components', 'crash', 'tools', 'generate_breakpad_symbols.py')
 
     def _symbols_dir(self):
         return self._host.filesystem.join(self._build_dir, 'content_shell.syms')
@@ -127,7 +128,7 @@ class DumpReaderMultipart(DumpReader):
             return
         self._generated_symbols = True
 
-        _log.debug("Generating breakpad symbols")
+        _log.debug('Generating breakpad symbols')
         for binary in self._binaries_to_symbolize():
             full_path = self._host.filesystem.join(self._build_dir, binary)
             cmd = [
@@ -149,6 +150,7 @@ class DumpReaderMultipart(DumpReader):
 
 
 class DumpReaderLinux(DumpReaderMultipart):
+
     """Linux breakpad dump reader."""
 
     def _binaries_to_symbolize(self):
@@ -159,6 +161,7 @@ class DumpReaderLinux(DumpReaderMultipart):
 
 
 class DumpReaderAndroid(DumpReaderMultipart):
+
     """Android breakpad dump reader."""
 
     def _binaries_to_symbolize(self):