[gn] port 3bdfa6f

Author: nico

llvm/utils/gn/secondary/clang-tools-extra/clang-doc/BUILD.gn

@@ -22,6 +22,7 @@ static_library("clang-doc") {
     "ClangDoc.cpp",
     "Generators.cpp",
     "HTMLGenerator.cpp",
+    "HTMLMustacheGenerator.cpp",
     "MDGenerator.cpp",
     "Mapper.cpp",
     "Representation.cpp",

llvm/utils/gn/secondary/clang-tools-extra/unittests/clang-doc/BUILD.gn

@@ -16,13 +16,15 @@ unittest("ClangDocTests") {
     "//llvm/lib/Bitcode/Reader",
     "//llvm/lib/Bitcode/Writer",
     "//llvm/lib/Support",
+    "//llvm/lib/Testing/Support",
   ]
   include_dirs = [ "//clang-tools-extra/clang-doc" ]
   sources = [
     "BitcodeTest.cpp",
     "ClangDocTest.cpp",
     "GeneratorTest.cpp",
     "HTMLGeneratorTest.cpp",
+    "HTMLMustacheGeneratorTest.cpp",
     "MDGeneratorTest.cpp",
     "MergeTest.cpp",
     "SerializeTest.cpp",