Support JSON encoding of data for about:tracking information

base/location.cc

Index: base/location.cc
===================================================================
--- base/location.cc	(revision 106875)
+++ base/location.cc	(working copy)
@@ -71,6 +71,18 @@
   }
 }
 
+base::DictionaryValue* Location::ToValue() const {
+  base::DictionaryValue* dictionary = new base::DictionaryValue;
+  dictionary->Set("file_name", base::Value::CreateStringValue(file_name_));
+  // Note: This function name is not escaped, and templates have less than
+  // characters, which means this is not suitable for display as HTML unless
+  // properly escaped.
+  dictionary->Set("function_name",
+                  base::Value::CreateStringValue(function_name_));
+  dictionary->Set("line_number", base::Value::CreateIntegerValue(line_number_));
+  return dictionary;
+}
+
 #if defined(COMPILER_MSVC)
 __declspec(noinline)
 #endif