[debugger] remove GeneratorMirror.prototype.context().

src/runtime/runtime-generator.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/factory.h"
 #include "src/frames-inl.h"
 #include "src/objects-inl.h"
@@ skipping 130 matching lines @@
 // Returns function of generator activation.
 RUNTIME_FUNCTION(Runtime_GeneratorGetFunction) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSGeneratorObject, generator, 0);
 
   return generator->function();
 }
 
 
-// Returns context of generator activation.
-RUNTIME_FUNCTION(Runtime_GeneratorGetContext) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSGeneratorObject, generator, 0);
-
-  return generator->context();
-}
-
-
 // Returns receiver of generator activation.
 RUNTIME_FUNCTION(Runtime_GeneratorGetReceiver) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSGeneratorObject, generator, 0);
 
   return generator->receiver();
 }
 
 
@@ skipping 45 matching lines @@
   return nullptr;
 }
 
 RUNTIME_FUNCTION(Runtime_GeneratorThrow) {
   UNREACHABLE();
   return nullptr;
 }
 
 }  // namespace internal
 }  // namespace v8