Reland r12342: Flush monomorphic ICs on context disposal instead of context exit.

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index 067d134b18650b44a56b5ddcd2338477da7ea802..a8f340db2e4e89627fa1718cea71b7bf5ca73e88 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -10840,18 +10840,21 @@ TEST(DontLeakGlobalObjects) {
     { v8::HandleScope scope;
       LocalContext context;
     }
+    v8::V8::ContextDisposedNotification();
     CheckSurvivingGlobalObjectsCount(0);
 
     { v8::HandleScope scope;
       LocalContext context;
       v8_compile("Date")->Run();
     }
+    v8::V8::ContextDisposedNotification();
     CheckSurvivingGlobalObjectsCount(0);
 
     { v8::HandleScope scope;
       LocalContext context;
       v8_compile("/aaa/")->Run();
     }
+    v8::V8::ContextDisposedNotification();
     CheckSurvivingGlobalObjectsCount(0);
 
     { v8::HandleScope scope;
@@ -10860,6 +10863,7 @@ TEST(DontLeakGlobalObjects) {
       LocalContext context(&extensions);
       v8_compile("gc();")->Run();
     }
+    v8::V8::ContextDisposedNotification();
     CheckSurvivingGlobalObjectsCount(0);
   }
 }
@@ -15006,6 +15010,7 @@ TEST(Regress528) {
     context->Exit();
   }
   context.Dispose();
+  v8::V8::ContextDisposedNotification();
   for (gc_count = 1; gc_count < 10; gc_count++) {
     other_context->Enter();
     CompileRun(source_exception);