Add GetProperty/GetElement to JSReceiver and use it where possible

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.h"
 #include "src/debug/debug-evaluate.h"
 #include "src/debug/debug-frames.h"
@@ skipping 284 matching lines @@
   }
 
   // Check if the name is trivially convertible to an index and get the element
   // if so.
   uint32_t index;
   // TODO(verwaest): Make sure DebugGetProperty can handle arrays, and remove
   // this special case.
   if (name->AsArrayIndex(&index)) {
     Handle<FixedArray> details = isolate->factory()->NewFixedArray(2);
     Handle<Object> element_or_char;
-    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, element_or_char,
-                                       Object::GetElement(isolate, obj, index));
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+        isolate, element_or_char, JSReceiver::GetElement(isolate, obj, index));
     details->set(0, *element_or_char);
     details->set(1, PropertyDetails::Empty().AsSmi());
     return *isolate->factory()->NewJSArrayWithElements(details);
   }
 
   LookupIterator it(obj, name, LookupIterator::HIDDEN);
   bool has_caught = false;
   Handle<Object> value = DebugGetProperty(&it, &has_caught);
   if (!it.IsFound()) return isolate->heap()->undefined_value();
 
@@ skipping 94 matching lines @@
 // Return element value from indexed interceptor.
 // args[0]: object
 // args[1]: index
 RUNTIME_FUNCTION(Runtime_DebugIndexedInterceptorElementValue) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, obj, 0);
   RUNTIME_ASSERT(obj->HasIndexedInterceptor());
   CONVERT_NUMBER_CHECKED(uint32_t, index, Uint32, args[1]);
   Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
-                                     Object::GetElement(isolate, obj, index));
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+      isolate, result, JSReceiver::GetElement(isolate, obj, index));
   return *result;
 }
 
 
 RUNTIME_FUNCTION(Runtime_CheckExecutionState) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_NUMBER_CHECKED(int, break_id, Int32, args[0]);
   RUNTIME_ASSERT(isolate->debug()->CheckExecutionState(break_id));
   return isolate->heap()->true_value();
@@ skipping 1242 matching lines @@
   return Smi::FromInt(isolate->debug()->is_active());
 }
 
 
 RUNTIME_FUNCTION(Runtime_DebugBreakInOptimizedCode) {
   UNIMPLEMENTED();
   return NULL;
 }
 }  // namespace internal
 }  // namespace v8