Share JSON schema constants.

chrome/common/json_schema_validator.h

Index: chrome/common/json_schema_validator.h
diff --git a/chrome/common/json_schema_validator.h b/chrome/common/json_schema_validator.h
index 1f3717e7e4a21516252b377a44ac11d7960c07af..20ecfbd5305d3b90b940378e79366df2e6e3311f 100644
--- a/chrome/common/json_schema_validator.h
+++ b/chrome/common/json_schema_validator.h
@@ -10,13 +10,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
-
-namespace base {
-class DictionaryValue;
-class ListValue;
-class StringValue;
-class Value;
-}
+#include "base/values.h"
 
 //==============================================================================
 // This class implements a subset of JSON Schema.
@@ -88,6 +82,11 @@ class JSONSchemaValidator {
   // Classifies a Value as one of the JSON schema primitive types.
   static std::string GetJSONSchemaType(base::Value* value);
 
+  // If |schema_type| is a valid JSON schema type then |value_type| is assigned
+  // the corresponding Value type and returns true. Otherwise returns false.
+  static bool GetValueType(const std::string& schema_type,
+                           base::Value::Type* value_type);
+
   // Utility methods to format error messages. The first method can have one
   // wildcard represented by '*', which is replaced with s1. The second method
   // can have two, which are replaced by s1 and s2.