Added ToJson to JSON schema compiler.

tools/json_schema_compiler/h_generator.py

Index: tools/json_schema_compiler/h_generator.py
diff --git a/tools/json_schema_compiler/h_generator.py b/tools/json_schema_compiler/h_generator.py
index ba7c5ca133a27b4a4ebc5e87089b5a77071a143c..5bd680cc19926965ffbcda6554d6fc472c73ea13 100644
--- a/tools/json_schema_compiler/h_generator.py
+++ b/tools/json_schema_compiler/h_generator.py
@@ -229,7 +229,8 @@ class HGenerator(object):
     """
     c = Code()
     (c.Sblock('namespace %s {' % cpp_util.Classname(event.name))
-        .Concat(self._GenerateCreateCallbackArguments(event))
+        .Concat(self._GenerateCreateCallbackArguments(event,
+                                                      generate_to_json=True))
       .Eblock('};')
     )
     return c
@@ -323,7 +324,7 @@ class HGenerator(object):
               cpp_util.Classname(prop.name)))
     return c
 
-  def _GenerateCreateCallbackArguments(self, function):
+  def _GenerateCreateCallbackArguments(self, function, generate_to_json=False):
     """Generates functions for passing paramaters to a callback.
     """
     c = Code()
@@ -340,6 +341,8 @@ class HGenerator(object):
             param, self._cpp_type_generator.GetType(param)))
       c.Append('scoped_ptr<base::ListValue> Create(%s);' %
                ', '.join(declaration_list))
+      if is_event:

[not at google - send to devlin, 2012/07/26 02:39:58]

I think this needs to be generate_to_json...

[mitchellwrosen, 2012/07/26 17:38:59]

Oops! Done

+        c.Append('std::string ToJson(%s);' % ', '.join(declaration_list))
     return c
 
   def _GenerateFunctionResults(self, callback):