Revert of Replace all remaining Oddball checks with new function

src/runtime/runtime-debug.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/debug/debug-evaluate.h"
 #include "src/debug/debug-frames.h"
 #include "src/debug/debug-scopes.h"
@@ skipping 59 matching lines @@
 
 
 // Adds a JavaScript function as a debug event listener.
 // args[0]: debug event listener function to set or null or undefined for
 //          clearing the event listener function
 // args[1]: object supplied during callback
 RUNTIME_FUNCTION(Runtime_SetDebugEventListener) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 2);
   RUNTIME_ASSERT(args[0]->IsJSFunction() || args[0]->IsUndefined(isolate) ||
-                 args[0]->IsNull(isolate));
+                 args[0]->IsNull());
   CONVERT_ARG_HANDLE_CHECKED(Object, callback, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, data, 1);
   isolate->debug()->SetEventListener(callback, data);
 
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_ScheduleBreak) {
   SealHandleScope shs(isolate);
@@ skipping 468 matching lines @@
   int local = 0;
   int i = 0;
   for (; i < scope_info->StackLocalCount(); ++i) {
     // Use the value from the stack.
     if (ScopeInfo::VariableIsSynthetic(scope_info->LocalName(i))) continue;
     locals->set(local * 2, scope_info->LocalName(i));
     Handle<Object> value =
         frame_inspector.GetExpression(scope_info->StackLocalIndex(i));
     // TODO(yangguo): We convert optimized out values to {undefined} when they
     // are passed to the debugger. Eventually we should handle them somehow.
-    if (value->IsOptimizedOut(isolate)) {
-      value = isolate->factory()->undefined_value();
-    }
+    if (value->IsOptimizedOut()) value = isolate->factory()->undefined_value();
     locals->set(local * 2 + 1, *value);
     local++;
   }
   if (local < local_count) {
     // Get the context containing declarations.
     Handle<Context> context(
         Handle<Context>::cast(frame_inspector.GetContext())->closure_context());
     for (; i < scope_info->LocalCount(); ++i) {
       Handle<String> name(scope_info->LocalName(i));
       if (ScopeInfo::VariableIsSynthetic(*name)) continue;
@@ skipping 1006 matching lines @@
   DCHECK(args.length() == 4);
   CONVERT_ARG_CHECKED(JSValue, script, 0);
 
   RUNTIME_ASSERT(script->value()->IsScript());
   Handle<Script> script_handle = Handle<Script>(Script::cast(script->value()));
 
   // Line and column are possibly undefined and we need to handle these cases,
   // additionally subtracting corresponding offsets.
 
   int32_t line;
-  if (args[1]->IsNull(isolate) || args[1]->IsUndefined(isolate)) {
+  if (args[1]->IsNull() || args[1]->IsUndefined(isolate)) {
     line = 0;
   } else {
     RUNTIME_ASSERT(args[1]->IsNumber());
     line = NumberToInt32(args[1]) - script_handle->line_offset();
   }
 
   int32_t column;
-  if (args[2]->IsNull(isolate) || args[2]->IsUndefined(isolate)) {
+  if (args[2]->IsNull() || args[2]->IsUndefined(isolate)) {
     column = 0;
   } else {
     RUNTIME_ASSERT(args[2]->IsNumber());
     column = NumberToInt32(args[2]);
     if (line == 0) column -= script_handle->column_offset();
   }
 
   CONVERT_NUMBER_CHECKED(int32_t, offset_position, Int32, args[3]);
 
   if (line < 0 || column < 0 || offset_position < 0) {
@@ skipping 128 matching lines @@
   return Smi::FromInt(isolate->debug()->is_active());
 }
 
 
 RUNTIME_FUNCTION(Runtime_DebugBreakInOptimizedCode) {
   UNIMPLEMENTED();
   return NULL;
 }
 }  // namespace internal
 }  // namespace v8