Support JSON encoding of data for about:tracking information

base/location.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "build/build_config.h"
 
 #if defined(COMPILER_MSVC)
 // MSDN says to #include <intrin.h>, but that breaks the VS2005 build.
 extern "C" {
   void* _ReturnAddress();
@@ skipping 53 matching lines @@
         output->append("&gt;");
         break;
 
       default:
         output->push_back(*p);
         break;
     }
   }
 }
 
+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
 BASE_EXPORT const void* GetProgramCounter() {
 #if defined(COMPILER_MSVC)
   return _ReturnAddress();
 #elif defined(COMPILER_GCC)
   return __builtin_extract_return_addr(__builtin_return_address(0));
 #endif  // COMPILER_GCC
 
   return NULL;
 }
 
 }  // namespace tracked_objects