clang-format: Don't let -style=Chromium imply c++03 template formatting.

Chromium's now using some c++11 language features, so it's now fine that
clang-format produces vector<vector<int>>.

llvm-svn: 218392
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 4442903..a88464f 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -4672,6 +4672,8 @@
   EXPECT_EQ("A<::A<int>> a;", format("A< ::A<int>> a;", getGoogleStyle()));
   EXPECT_EQ("A<::A<int>> a;", format("A<::A<int> > a;", getGoogleStyle()));
 
+  verifyFormat("A<A>> a;", getChromiumStyle(FormatStyle::LK_Cpp));
+
   verifyFormat("test >> a >> b;");
   verifyFormat("test << a >> b;");