Added WebKit style to the BasedOnStyle handling and to the relevant help messages.

llvm-svn: 189765
diff --git a/clang/tools/clang-format/ClangFormat.cpp b/clang/tools/clang-format/ClangFormat.cpp
index cd28c59..2d415b3 100644
--- a/clang/tools/clang-format/ClangFormat.cpp
+++ b/clang/tools/clang-format/ClangFormat.cpp
@@ -64,7 +64,7 @@
 static cl::opt<std::string>
     Style("style",
           cl::desc("Coding style, currently supports:\n"
-                   "  LLVM, Google, Chromium, Mozilla.\n"
+                   "  LLVM, Google, Chromium, Mozilla, WebKit.\n"
                    "Use -style=file to load style configuration from\n"
                    ".clang-format file located in one of the parent\n"
                    "directories of the source file (or current\n"
diff --git a/clang/tools/clang-format/clang-format-diff.py b/clang/tools/clang-format/clang-format-diff.py
index bb18730..89fa052 100755
--- a/clang/tools/clang-format/clang-format-diff.py
+++ b/clang/tools/clang-format/clang-format-diff.py
@@ -82,11 +82,13 @@
 
 def main():
   parser = argparse.ArgumentParser(description=
-                                   'Reformat changed lines in diff')
+                                   'Reformat changed lines in diff.')
   parser.add_argument('-p', default=0,
                       help='strip the smallest prefix containing P slashes')
-  parser.add_argument('-style',
-                      help='formatting style to apply (LLVM, Google, Chromium)')
+  parser.add_argument(
+      '-style',
+      help=
+      'formatting style to apply (LLVM, Google, Chromium, Mozilla, WebKit)')
   args = parser.parse_args()
 
   filename = None