Mojo C++ bindings: add StringTraits and ArrayTraits for STL types.

mojo/public/tools/bindings/generators/mojom_cpp_generator.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Generates C++ source files from a mojom.Module."""
 
 import mojom.generate.generator as generator
 import mojom.generate.module as mojom
 import mojom.generate.pack as pack
 from mojom.generate.template_expander import UseJinja
@@ skipping 159 matching lines @@
     return "mojo::internal::Handle_Data"
   return _kind_to_cpp_type[kind]
 
 def GetCppPodType(kind):
   if mojom.IsStringKind(kind):
     return "char*"
   return _kind_to_cpp_type[kind]
 
 def GetCppArrayArgWrapperType(kind):
   if IsTypemappedKind(kind):
-    if mojom.IsStructKind(kind) and kind.native_only:
-      return GetNativeTypeName(kind)
-    else:
-      raise Exception(
-          "Cannot serialize containers of non-native typemapped structs yet!")
+    return GetNativeTypeName(kind)
   if mojom.IsEnumKind(kind):
     return GetNameForKind(kind)
   if mojom.IsStructKind(kind) or mojom.IsUnionKind(kind):
     return "%sPtr" % GetNameForKind(kind)
   if mojom.IsArrayKind(kind):
     pattern = "mojo::WTFArray<%s>" if _for_blink else "mojo::Array<%s>"
     return pattern % GetCppArrayArgWrapperType(kind.kind)
   if mojom.IsMapKind(kind):
     return "mojo::Map<%s, %s> " % (GetCppArrayArgWrapperType(kind.key_kind),
                                    GetCppArrayArgWrapperType(kind.value_kind))
@@ skipping 405 matching lines @@
     _for_blink = self.for_blink
     global _variant
     _variant = self.variant
     suffix = "-%s" % self.variant if self.variant else ""
     self.Write(self.GenerateModuleHeader(),
         self.MatchMojomFilePath("%s%s.h" % (self.module.name, suffix)))
     self.Write(self.GenerateModuleInternalHeader(),
         self.MatchMojomFilePath("%s%s-internal.h" % (self.module.name, suffix)))
     self.Write(self.GenerateModuleSource(),
         self.MatchMojomFilePath("%s%s.cc" % (self.module.name, suffix)))