Debugger: remove unused JS Debugger API.

src/runtime/runtime-debug.cc

Index: src/runtime/runtime-debug.cc
diff --git a/src/runtime/runtime-debug.cc b/src/runtime/runtime-debug.cc
index 392f943472245bccce9f72b161eaddcdff79258e..2f32a0a415446930c9321ecb62821d5e8cb90893 100644
--- a/src/runtime/runtime-debug.cc
+++ b/src/runtime/runtime-debug.cc
@@ -54,7 +54,7 @@ RUNTIME_FUNCTION(Runtime_SetDebugEventListener) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_Break) {
+RUNTIME_FUNCTION(Runtime_ScheduleBreak) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 0);
   isolate->stack_guard()->RequestDebugBreak();
@@ -2570,40 +2570,6 @@ RUNTIME_FUNCTION(Runtime_DebugSetScriptSource) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_DebugDisassembleFunction) {
-  HandleScope scope(isolate);
-#ifdef DEBUG
-  DCHECK(args.length() == 1);
-  // Get the function and make sure it is compiled.
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, func, 0);
-  if (!Compiler::EnsureCompiled(func, KEEP_EXCEPTION)) {
-    return isolate->heap()->exception();
-  }
-  OFStream os(stdout);
-  func->code()->Print(os);
-  os << std::endl;
-#endif  // DEBUG
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_DebugDisassembleConstructor) {
-  HandleScope scope(isolate);
-#ifdef DEBUG
-  DCHECK(args.length() == 1);
-  // Get the function and make sure it is compiled.
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, func, 0);
-  if (!Compiler::EnsureCompiled(func, KEEP_EXCEPTION)) {
-    return isolate->heap()->exception();
-  }
-  OFStream os(stdout);
-  func->shared()->construct_stub()->Print(os);
-  os << std::endl;
-#endif  // DEBUG
-  return isolate->heap()->undefined_value();
-}
-
-
 RUNTIME_FUNCTION(Runtime_FunctionGetInferredName) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
@@ -2664,21 +2630,15 @@ RUNTIME_FUNCTION(Runtime_GetFunctionCodePositionFromSource) {
 // to have a stack with C++ frame in the middle.
 RUNTIME_FUNCTION(Runtime_ExecuteInDebugContext) {
   HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
+  DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
-  CONVERT_BOOLEAN_ARG_CHECKED(without_debugger, 1);
 
-  MaybeHandle<Object> maybe_result;
-  if (without_debugger) {
-    maybe_result = Execution::Call(isolate, function,
-                                   handle(function->global_proxy()), 0, NULL);
-  } else {
-    DebugScope debug_scope(isolate->debug());
-    maybe_result = Execution::Call(isolate, function,
-                                   handle(function->global_proxy()), 0, NULL);
-  }
+  DebugScope debug_scope(isolate->debug());
   Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, maybe_result);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+      isolate, result,
+      Execution::Call(isolate, function, handle(function->global_proxy()), 0,
+                      NULL));
   return *result;
 }