Strip trailing whitespace when stringifying type lists.

include/gtest/internal/gtest-internal.h

@@ -612,7 +612,7 @@ class TypeParameterizedTest {
     MakeAndRegisterTestInfo(
         (std::string(prefix) + (prefix[0] == '\0' ? "" : "/") + case_name + "/"
          + StreamableToString(index)).c_str(),
-        GetPrefixUntilComma(test_names).c_str(),
+        StripTrailingSpaces(GetPrefixUntilComma(test_names)).c_str(),
         GetTypeName<Type>().c_str(),
         NULL,  // No value parameter.
         GetTypeId<FixtureClass>(),

include/gtest/internal/gtest-port.h

@@ -2215,6 +2215,13 @@ inline char ToUpper(char ch) {
   return static_cast<char>(toupper(static_cast<unsigned char>(ch)));
 }
 
+inline std::string StripTrailingSpaces(std::string str) {
+  std::string::iterator it = str.end();
+  while (it != str.begin() && IsSpace(*--it))
+    it = str.erase(it);
+  return str;
+}
+
 // The testing::internal::posix namespace holds wrappers for common
 // POSIX functions.  These wrappers hide the differences between
 // Windows/MSVC and POSIX systems.  Since some compilers define these