Support multiple arguments properly in console.error

src/ConsoleJsObject.cpp

+#include <AdblockPlus/ErrorCallback.h>
 #include <sstream>
 
 #include "ConsoleJsObject.h"
 
 namespace
 {
   v8::Handle<v8::Value> ErrorCallback(const v8::Arguments& arguments)
   {
     std::stringstream message;
     const v8::HandleScope handleScope;
     for (int i = 0; i < arguments.Length(); i++)
     {
-      const v8::Handle<v8::Value> argument = arguments[0];
+      const v8::Handle<v8::Value> argument = arguments[i];
       const v8::String::Utf8Value value(argument);
       message << *value;
     }
     const v8::Handle<const v8::External> external =
       v8::Handle<const v8::External>::Cast(arguments.Data());
     AdblockPlus::ErrorCallback* const errorCallback =
       static_cast<AdblockPlus::ErrorCallback*>(external->Value());
     (*errorCallback)(message.str());
     return v8::Undefined();
   }
@@ skipping 11 matching lines @@
   const v8::Handle<v8::ObjectTemplate> console = v8::ObjectTemplate::New();
   const v8::Handle<v8::FunctionTemplate> errorFunction =
     v8::FunctionTemplate::New(::ErrorCallback,
                               v8::External::New(&errorCallback));
   console->Set(v8::String::New("error"), errorFunction);
   const v8::Handle<v8::FunctionTemplate> traceFunction =
     v8::FunctionTemplate::New(TraceCallback);
   console->Set(v8::String::New("trace"), traceFunction);
   return handleScope.Close(console);
 }