Revert "Handlify GetProperty."

src/debug.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1100 matching lines @@
 
   // Ignore check if break point object is not a JSObject.
   if (!break_point_object->IsJSObject()) return true;
 
   // Get the function IsBreakPointTriggered (defined in debug-debugger.js).
   Handle<String> is_break_point_triggered_string =
       factory->InternalizeOneByteString(
           STATIC_ASCII_VECTOR("IsBreakPointTriggered"));
   Handle<GlobalObject> debug_global(debug_context()->global_object());
   Handle<JSFunction> check_break_point =
-    Handle<JSFunction>::cast(Object::GetProperty(
-        debug_global, is_break_point_triggered_string).ToHandleChecked());
+    Handle<JSFunction>::cast(GlobalObject::GetPropertyNoExceptionThrown(
+        debug_global, is_break_point_triggered_string));
 
   // Get the break id as an object.
   Handle<Object> break_id = factory->NewNumberFromInt(Debug::break_id());
 
   // Call HandleBreakPointx.
   Handle<Object> argv[] = { break_id, break_point_object };
   Handle<Object> result;
   ASSIGN_RETURN_ON_EXCEPTION_VALUE(
       isolate_, result,
       Execution::TryCall(check_break_point,
@@ skipping 1319 matching lines @@
 
 
 void Debug::ClearMirrorCache() {
   PostponeInterruptsScope postpone(isolate_);
   HandleScope scope(isolate_);
   ASSERT(isolate_->context() == *Debug::debug_context());
 
   // Clear the mirror cache.
   Handle<String> function_name = isolate_->factory()->InternalizeOneByteString(
       STATIC_ASCII_VECTOR("ClearMirrorCache"));
-  Handle<Object> fun = Object::GetProperty(
-      isolate_->global_object(), function_name).ToHandleChecked();
+  Handle<Object> fun = GlobalObject::GetPropertyNoExceptionThrown(
+      isolate_->global_object(), function_name);
   ASSERT(fun->IsJSFunction());
   Execution::TryCall(
       Handle<JSFunction>::cast(fun),
       Handle<JSObject>(Debug::debug_context()->global_object()),
       0,
       NULL);
 }
 
 
 void Debug::CreateScriptCache() {
@@ skipping 116 matching lines @@
 MaybeHandle<Object> Debugger::MakeJSObject(
     Vector<const char> constructor_name,
     int argc,
     Handle<Object> argv[]) {
   ASSERT(isolate_->context() == *isolate_->debug()->debug_context());
 
   // Create the execution state object.
   Handle<String> constructor_str =
       isolate_->factory()->InternalizeUtf8String(constructor_name);
   ASSERT(!constructor_str.is_null());
-  Handle<Object> constructor = Object::GetProperty(
-      isolate_->global_object(), constructor_str).ToHandleChecked();
+  Handle<Object> constructor = GlobalObject::GetPropertyNoExceptionThrown(
+      isolate_->global_object(), constructor_str);
   ASSERT(constructor->IsJSFunction());
   if (!constructor->IsJSFunction()) return MaybeHandle<Object>();
   return Execution::TryCall(
       Handle<JSFunction>::cast(constructor),
       Handle<JSObject>(isolate_->debug()->debug_context()->global_object()),
       argc,
       argv);
 }
 
 
@@ skipping 169 matching lines @@
 
   // If debugging there might be script break points registered for this
   // script. Make sure that these break points are set.
 
   // Get the function UpdateScriptBreakPoints (defined in debug-debugger.js).
   Handle<String> update_script_break_points_string =
       isolate_->factory()->InternalizeOneByteString(
           STATIC_ASCII_VECTOR("UpdateScriptBreakPoints"));
   Handle<GlobalObject> debug_global(debug->debug_context()->global_object());
   Handle<Object> update_script_break_points =
-      Object::GetProperty(
-          debug_global, update_script_break_points_string).ToHandleChecked();
+      GlobalObject::GetPropertyNoExceptionThrown(
+          debug_global, update_script_break_points_string);
   if (!update_script_break_points->IsJSFunction()) {
     return;
   }
   ASSERT(update_script_break_points->IsJSFunction());
 
   // Wrap the script object in a proper JS object before passing it
   // to JavaScript.
   Handle<JSValue> wrapper = GetScriptWrapper(script);
 
   // Call UpdateScriptBreakPoints expect no exceptions.
@@ skipping 945 matching lines @@
     {
       Locker locker(reinterpret_cast<v8::Isolate*>(isolate_));
       isolate_->debugger()->CallMessageDispatchHandler();
     }
   }
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal