Issue 5013 - Use const JsValue and pass reference where applicable

src/ConsoleJsObject.cpp

Index: src/ConsoleJsObject.cpp
===================================================================
--- a/src/ConsoleJsObject.cpp
+++ b/src/ConsoleJsObject.cpp
@@ -25,17 +25,17 @@
 
 namespace
 {
   v8::Handle<v8::Value> DoLog(AdblockPlus::LogSystem::LogLevel logLevel,
       const v8::Arguments& arguments)
   {
     AdblockPlus::JsEnginePtr jsEngine = AdblockPlus::JsEngine::FromArguments(arguments);
     const AdblockPlus::JsContext context(jsEngine);
-    AdblockPlus::JsValueList converted = jsEngine->ConvertArguments(arguments);
+    AdblockPlus::JsConstValueList converted = jsEngine->ConvertArguments(arguments);
 
     std::stringstream message;
     for (size_t i = 0; i < converted.size(); i++)
     {
       if (i > 0)
         message << " ";
       message << converted[i]->AsString();
     }
@@ -74,17 +74,17 @@
   {
     return DoLog(AdblockPlus::LogSystem::LOG_LEVEL_ERROR, arguments);
   }
 
   v8::Handle<v8::Value> TraceCallback(const v8::Arguments& arguments)
   {
     AdblockPlus::JsEnginePtr jsEngine = AdblockPlus::JsEngine::FromArguments(arguments);
     const AdblockPlus::JsContext context(jsEngine);
-    AdblockPlus::JsValueList converted = jsEngine->ConvertArguments(arguments);
+    AdblockPlus::JsConstValueList converted = jsEngine->ConvertArguments(arguments);
 
     std::stringstream traceback;
     v8::Local<v8::StackTrace> frames = v8::StackTrace::CurrentStackTrace(100);
     for (int i = 0, l = frames->GetFrameCount(); i < l; i++)
     {
       v8::Local<v8::StackFrame> frame = frames->GetFrame(i);
       traceback << (i + 1) << ": ";
       std::string name = AdblockPlus::Utils::FromV8String(frame->GetFunctionName());