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..930d577379d35753cb5a711032338c4093022373 100644
--- a/tools/json_schema_compiler/h_generator.py
+++ b/tools/json_schema_compiler/h_generator.py
@@ -35,6 +35,7 @@ class HGenerator(object):
       .Append('#include <vector>')
       .Append()
       .Append('#include "base/basictypes.h"')
+      .Append('#include "base/json/json_writer.h"')

[not at google - send to devlin, 2012/07/25 23:28:41]

you can remove this

[mitchellwrosen, 2012/07/26 02:01:17]

Done.

       .Append('#include "base/logging.h"')
       .Append('#include "base/memory/linked_ptr.h"')
       .Append('#include "base/memory/scoped_ptr.h"')
@@ -229,7 +230,7 @@ class HGenerator(object):
     """
     c = Code()
     (c.Sblock('namespace %s {' % cpp_util.Classname(event.name))
-        .Concat(self._GenerateCreateCallbackArguments(event))
+        .Concat(self._GenerateCreateCallbackArguments(event, True))

[not at google - send to devlin, 2012/07/25 23:28:41]

same comment throughout this file as in cc file

[mitchellwrosen, 2012/07/26 02:01:17]

Done.

       .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, is_event):
     """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:
+        c.Append('std::string ToJson(%s);' % ', '.join(declaration_list))
     return c
 
   def _GenerateFunctionResults(self, callback):
@@ -347,7 +350,7 @@ class HGenerator(object):
     """
     c = Code()
     (c.Sblock('namespace Results {')
-        .Concat(self._GenerateCreateCallbackArguments(callback))
+        .Concat(self._GenerateCreateCallbackArguments(callback, False))
       .Eblock('};')
     )
     return c