Issue 6526 - Remove deprecated Utf8Value() usage

src/ConsoleJsObject.cpp

Index: src/ConsoleJsObject.cpp
===================================================================
--- a/src/ConsoleJsObject.cpp
+++ b/src/ConsoleJsObject.cpp
@@ -38,17 +38,17 @@
     {
       if (i > 0)
         message << " ";
       message << converted[i].AsString();
     }
 
     std::stringstream source;
     v8::Local<v8::StackFrame> frame = v8::StackTrace::CurrentStackTrace(arguments.GetIsolate(), 1)->GetFrame(0);
-    source << AdblockPlus::Utils::FromV8String(frame->GetScriptName());
+    source << AdblockPlus::Utils::FromV8String(arguments.GetIsolate(), frame->GetScriptName());
     source << ":" << frame->GetLineNumber();
 
     jsEngine->GetPlatform().WithLogSystem(
       [logLevel, &message, &source](AdblockPlus::LogSystem& callback)
       {
         callback(logLevel, message.str(), source.str());
       });
   }
@@ -85,23 +85,23 @@
     AdblockPlus::JsValueList converted = jsEngine->ConvertArguments(arguments);
 
     std::stringstream traceback;
     v8::Local<v8::StackTrace> frames = v8::StackTrace::CurrentStackTrace(arguments.GetIsolate(), 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());
+      std::string name = AdblockPlus::Utils::FromV8String(arguments.GetIsolate(), frame->GetFunctionName());
       if (name.size())
         traceback << name;
       else
         traceback << "/* anonymous */";
       traceback << "() at ";
-      traceback << AdblockPlus::Utils::FromV8String(frame->GetScriptName());
+      traceback << AdblockPlus::Utils::FromV8String(arguments.GetIsolate(), frame->GetScriptName());
       traceback << ":" << frame->GetLineNumber();
       traceback << std::endl;
     }
 
     jsEngine->GetPlatform().WithLogSystem(
       [&traceback](AdblockPlus::LogSystem& callback)
       {
         callback(AdblockPlus::LogSystem::LOG_LEVEL_TRACE, traceback.str(), "");