Global: Cut down on file/string includes.

ext/native/base/stringutil.h

@@ -1,11 +1,7 @@
 #pragma once
 
-#include <cstdlib>
-#include <cstdio>
-#include <cstring>
 #include <string>
 #include <sstream>
-#include <stdarg.h>
 #include <vector>
 
 #include "base/basictypes.h"
@@ -67,26 +63,6 @@ inline void StringToHexString(const std::string &data, std::string *output) {
 // highly unsafe and not recommended.
 unsigned int parseHex(const char* _szValue);
 
-
-// Suitable for inserting into maps, unlike char*, and cheaper than std::string.
-// Strings must be constant and preferably be stored in the read-only part 
-// of the binary.
-class ConstString {
-public:
-  ConstString(const char *ptr) {
-    ptr_ = ptr;
-  }
-  bool operator <(const ConstString &other) const {
-    return strcmp(ptr_, other.ptr_) < 0;
-  }
-  bool operator ==(const ConstString &other) const {
-    return ptr_ == other.ptr_ || !strcmp(ptr_, other.ptr_);
-  }
-	const char *get() const { return ptr_; }
-private:
-  const char *ptr_;
-};
-
 std::string StringFromFormat(const char* format, ...);
 std::string StringFromInt(int value);
 std::string StringFromBool(bool value);