// create the 'example' global object if it doesn't already exist.
  if (!example)
    example = {};
  // create the 'example.test' global object if it doesn't already exist.
  if (!example.test)
    example.test = {};
  (function() {
    // Define the function 'example.test.myfunction'.
    example.test.myfunction = function() {
      // Call CefV8Handler::Execute() with the function name 'MyFunction'
      // and no arguments.
      native function MyFunction();
      return MyFunction();
    };
    // Define the getter function for parameter 'example.test.myparam'.
    example.test.__defineGetter__('myparam', function() {
      // Call CefV8Handler::Execute() with the function name 'GetMyParam'
      // and no arguments.
      native function GetMyParam();
      return GetMyParam();
    });
    // Define the setter function for parameter 'example.test.myparam'.
    example.test.__defineSetter__('myparam', function(b) {
      // Call CefV8Handler::Execute() with the function name 'SetMyParam'
      // and a single argument.
      native function SetMyParam();
      if(b) SetMyParam(b);
    });

    // Extension definitions can also contain normal JavaScript variables
    // and functions.
    var myint = 0;
    example.test.increment = function() {
      myint += 1;
      return myint;
    };
  })();

  // Call the function.
  example.test.myfunction();
  // Set the parameter.
  example.test.myparam = value;
  // Get the parameter.
  value = example.test.myparam;
  // Call another function.
  example.test.increment();

 [scheme]://[username]:[password]@[host]:[port]/[url-path]

  class MyClass {
   public:
    void Foo() {
      DCHECK(thread_checker_.CalledOnValidThread());
      ... (do stuff) ...
    }

   private:
    ThreadChecker thread_checker_;
  }

 Operating System:
   OS_AIX / OS_ANDROID / OS_ASMJS / OS_FREEBSD / OS_FUCHSIA / OS_IOS /
   OS_LINUX / OS_MAC / OS_NACL (SFI or NONSFI) / OS_NETBSD / OS_OPENBSD /
   OS_QNX / OS_SOLARIS / OS_WIN
 Operating System family:
   OS_APPLE: IOS or MAC
   OS_BSD: FREEBSD or NETBSD or OPENBSD
   OS_POSIX: AIX or ANDROID or ASMJS or CHROMEOS or FREEBSD or IOS or LINUX
             or MAC or NACL or NETBSD or OPENBSD or QNX or SOLARIS

 /!\ Note: OS_CHROMEOS is set by the build system, not this file

 Compiler:
   COMPILER_MSVC / COMPILER_GCC

 Processor:
   ARCH_CPU_ARM64 / ARCH_CPU_ARMEL / ARCH_CPU_MIPS / ARCH_CPU_MIPS64 /
   ARCH_CPU_MIPS64EL / ARCH_CPU_MIPSEL / ARCH_CPU_PPC64 / ARCH_CPU_S390 /
   ARCH_CPU_S390X / ARCH_CPU_X86 / ARCH_CPU_X86_64
 Processor family:
   ARCH_CPU_ARM_FAMILY: ARMEL or ARM64
   ARCH_CPU_MIPS_FAMILY: MIPS64EL or MIPSEL or MIPS64 or MIPS
   ARCH_CPU_PPC64_FAMILY: PPC64
   ARCH_CPU_S390_FAMILY: S390 or S390X
   ARCH_CPU_X86_FAMILY: X86 or X86_64
 Processor features:
   ARCH_CPU_31_BITS / ARCH_CPU_32_BITS / ARCH_CPU_64_BITS
   ARCH_CPU_BIG_ENDIAN / ARCH_CPU_LITTLE_ENDIAN