Add TYPE_INTEGER64 type to base::Value.

base/json/json_reader.cc

Index: base/json/json_reader.cc
diff --git a/base/json/json_reader.cc b/base/json/json_reader.cc
index bbaf5fb349bcf396d9fa26f6ba0269faac0d9315..c7f62bb6bf5752b3b423baa333386ecbe9f73f3a 100644
--- a/base/json/json_reader.cc
+++ b/base/json/json_reader.cc
@@ -4,6 +4,7 @@
 
 #include "base/json/json_reader.h"
 
+#include "base/basictypes.h"
 #include "base/float_util.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ -390,14 +391,19 @@ JSONReader::Token JSONReader::ParseNumberToken() {
 }
 
 Value* JSONReader::DecodeNumber(const Token& token) {
-  const std::wstring num_string(token.begin, token.length);
+  const std::wstring num_wstring(token.begin, token.length);
+  const std::string& num_string(WideToUTF8(num_wstring));
 
   int num_int;
-  if (StringToInt(WideToUTF8(num_string), &num_int))
+  if (StringToInt(num_string, &num_int))
     return Value::CreateIntegerValue(num_int);
 
+  int64 num_int64;
+  if (StringToInt64(num_string, &num_int64))
+    return Value::CreateInteger64Value(num_int64);
+
   double num_double;
-  if (StringToDouble(WideToUTF8(num_string), &num_double) &&
+  if (StringToDouble(num_string, &num_double) &&
       base::IsFinite(num_double))
     return Value::CreateDoubleValue(num_double);