Noissue - move anonymous namespace from header to cpp file

src/JsError.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "JsError.h"
 
+namespace
+{
+  std::string ExceptionToString(const v8::Handle<v8::Value>& exception,
+    const v8::Handle<v8::Message>& message)
+  {
+    std::stringstream error;
+    error << *v8::String::Utf8Value(exception);
+    if (!message.IsEmpty())
+    {
+      error << " at ";
+      error << *v8::String::Utf8Value(message->GetScriptResourceName());
+      error << ":";
+      error << message->GetLineNumber();
+    }
+    return error.str();
+  }
+}
+
 AdblockPlus::JsError::JsError(const v8::Handle<v8::Value>& exception,
     const v8::Handle<v8::Message>& message)
   : std::runtime_error(ExceptionToString(exception, message))
 {
 }