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

llvm-svn: 189765
diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index 39d2c0f..76e6faa 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -68,7 +68,8 @@
 template <> struct MappingTraits<clang::format::FormatStyle> {
   static void mapping(llvm::yaml::IO &IO, clang::format::FormatStyle &Style) {
     if (IO.outputting()) {
-      StringRef StylesArray[] = { "LLVM", "Google", "Chromium", "Mozilla" };
+      StringRef StylesArray[] = { "LLVM",    "Google", "Chromium",
+                                  "Mozilla", "WebKit" };
       ArrayRef<StringRef> Styles(StylesArray);
       for (size_t i = 0, e = Styles.size(); i < e; ++i) {
         StringRef StyleName(Styles[i]);