Add OnCompileError handler and v8::CompileError debug event

src/debug.h

Index: src/debug.h
diff --git a/src/debug.h b/src/debug.h
index b672940c0f9ef58738c3d2dfeb8bfc91267b9526..39464a272f04874360be889f8bd7669101993110 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -372,6 +372,7 @@ class Debug {
   // Debug event triggers.
   void OnDebugBreak(Handle<Object> break_points_hit, bool auto_continue);
   void OnException(Handle<Object> exception, bool uncaught);
+  void OnCompileError(Handle<Script> script);
   void OnBeforeCompile(Handle<Script> script);
   void OnAfterCompile(Handle<Script> script,
                       AfterCompileFlags after_compile_flags);
@@ -548,7 +549,7 @@ class Debug {
       bool uncaught,
       Handle<Object> promise);
   MUST_USE_RESULT MaybeHandle<Object> MakeCompileEvent(
-      Handle<Script> script, bool before);
+      Handle<Script> script, v8::DebugEvent type);
   MUST_USE_RESULT MaybeHandle<Object> MakeScriptCollectedEvent(int id);
 
   // Mirror cache handling.