Implement File API

src/Utils.cpp

 #include <sstream>
 #include <string>
 
 #include "Utils.h"
 
 using namespace AdblockPlus;
 
-std::string Utils::Slurp(std::istream& stream)
+std::string Utils::Slurp(std::ios& stream)
 {
   std::stringstream content;
   content << stream.rdbuf();
   return content.str();
 }
 
 std::string Utils::FromV8String(v8::Handle<v8::Value> value)
 {
   v8::String::Utf8Value stringValue(value);
   if (stringValue.length())
     return std::string(*stringValue, stringValue.length());
   else
     return std::string();
 }
 
 v8::Local<v8::String> Utils::ToV8String(const std::string& str)
 {
   return v8::String::New(str.c_str(), str.length());
 }