Defer to generate breakpad symbols to decide whether or not to dump symbols

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 a94a7a50f5aef61798c0cc4301bf93b188d07eb4..b79b3f0e1dad163e2181e902f3c72a037e9d2719 100644
--- a/Tools/Scripts/webkitpy/layout_tests/breakpad/dump_reader_multipart.py
+++ b/Tools/Scripts/webkitpy/layout_tests/breakpad/dump_reader_multipart.py
@@ -122,19 +122,7 @@ class DumpReaderMultipart(DumpReader):
         return self._host.filesystem.join(self._build_dir, 'content_shell.syms')
 
     def _generate_breakpad_symbols_if_necessary(self):
-        if self._host.filesystem.exists(self._symbols_dir()):
-            needs_update = False
-            symbols_mtime = self._host.filesystem.mtime(self._symbols_dir())
-            for binary in self._binaries_to_symbolize():
-                full_path = self._host.filesystem.join(self._build_dir, binary)
-                if self._host.filesystem.mtime(full_path) >= symbols_mtime:
-                    needs_update = True
-            if not needs_update:
-                return
-
-        _log.debug("Regenerating breakpad symbols")
-        self._host.filesystem.rmtree(self._symbols_dir())
-
+        _log.debug("Generating breakpad symbols")
         for binary in self._binaries_to_symbolize():
             full_path = self._host.filesystem.join(self._build_dir, binary)
             cmd = [