Mark GetCallingContext as soon-to-be deprecated

test/cctest/test-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 6789 matching lines @@
 
 // Property getter that checks that current and calling contexts
 // are both the debugee contexts.
 static void NamedGetterWithCallingContextCheck(
     v8::Local<v8::String> name,
     const v8::PropertyCallbackInfo<v8::Value>& info) {
   CHECK_EQ(0, strcmp(*v8::String::Utf8Value(name), "a"));
   v8::Handle<v8::Context> current = info.GetIsolate()->GetCurrentContext();
   CHECK(current == debugee_context);
   CHECK(current != debugger_context);
-  v8::Handle<v8::Context> calling = info.GetIsolate()->GetCallingContext();
-  CHECK(calling == debugee_context);
-  CHECK(calling != debugger_context);
   info.GetReturnValue().Set(1);
 }
 
 
 // Debug event listener that checks if the first argument of a function is
 // an object with property 'a' == 1. If the property has custom accessor
 // this handler will eventually invoke it.
 static void DebugEventGetAtgumentPropertyValue(
     const v8::Debug::EventDetails& event_details) {
   v8::DebugEvent event = event_details.GetEvent();
@@ skipping 823 matching lines @@
   CompileRun("function foo() {}; foo();");
   --after_compile_handler_depth;
 }
 
 
 TEST(NoInterruptsInDebugListener) {
   DebugLocalContext env;
   v8::Debug::SetDebugEventListener(NoInterruptsOnDebugEvent);
   CompileRun("void(0);");
 }