chakrashim: clean up legacy debugger code

Since debugger support was removed upstream, this change removes the
corresponding chakrashim code.

PR-URL: #250
Reviewed-By: Kunal Pathak <Kunal.Pathak@microsoft.com>
Reviewed-By: Sandeep Agarwal <saagarwa@microsoft.com>

deps/chakrashim/chakrashim.gyp

@@ -2,7 +2,6 @@
   'variables': {
     'library_files': [
       'lib/chakra_shim.js',
-      'lib/chakra_debug.js',
       'lib/chakra_inspector.js'
     ],
     'v8_enable_inspector%': 0,
@@ -102,8 +101,6 @@
         'src/jsrtcontextcachedobj.inc',
         'src/jsrtcontextshim.cc',
         'src/jsrtcontextshim.h',
-        'src/jsrtdebug.cc',
-        'src/jsrtdebug.h',
         'src/jsrtinspector.cc',
         'src/jsrtinspector.h',
         'src/jsrtinspectorhelpers.cc',

deps/chakrashim/include/v8-debug.h

@@ -79,18 +79,13 @@ class V8_EXPORT Debug {
   static bool SetDebugEventListener(Isolate* isolate, EventCallback that,
     Local<Value> data = Local<Value>());
   static void DebugBreak(Isolate *isolate = NULL) {}
-  static void SetMessageHandler(Isolate* isolate, MessageHandler handler);
-  static void SendCommand(Isolate* isolate,
-                          const uint16_t* command, int length,
-                          ClientData* client_data = NULL);
   static MaybeLocal<Value> GetMirror(Local<Context> context,
                                      Handle<Value> obj) {
     return MaybeLocal<Value>();
   }
   static void ProcessDebugMessages(Isolate* isolate) {}
   static Local<Context> GetDebugContext(Isolate* isolate);
 
-  static void EnableDebug();
   static void EnableInspector(bool enableReplayDebug = false);
 
   static void SetLiveEditEnabled(Isolate* isolate, bool enable);