Eliminate the need for code delete events in CPU profiler.

test/cctest/test-profile-generator.cc

Index: test/cctest/test-profile-generator.cc
diff --git a/test/cctest/test-profile-generator.cc b/test/cctest/test-profile-generator.cc
index 4a29e59c56feba23c977e24f93167f919b10e045..76fd244e9716e40a69068a30abfbaa258cfc55d3 100644
--- a/test/cctest/test-profile-generator.cc
+++ b/test/cctest/test-profile-generator.cc
@@ -549,13 +549,14 @@ TEST(CodeMapMoveAndDeleteCode) {
   code_map.AddCode(ToAddress(0x1700), &entry2, 0x100);
   CHECK_EQ(&entry1, code_map.FindEntry(ToAddress(0x1500)));
   CHECK_EQ(&entry2, code_map.FindEntry(ToAddress(0x1700)));
-  code_map.MoveCode(ToAddress(0x1500), ToAddress(0x1800));
+  code_map.MoveCode(ToAddress(0x1500), ToAddress(0x1700));  // Deprecate bbb.
   CHECK_EQ(NULL, code_map.FindEntry(ToAddress(0x1500)));
-  CHECK_EQ(&entry2, code_map.FindEntry(ToAddress(0x1700)));
-  CHECK_EQ(&entry1, code_map.FindEntry(ToAddress(0x1800)));
-  code_map.DeleteCode(ToAddress(0x1700));
+  CHECK_EQ(&entry1, code_map.FindEntry(ToAddress(0x1700)));
+  CodeEntry entry3(i::Logger::FUNCTION_TAG, "", "ccc", "", 0,
+                   TokenEnumerator::kNoSecurityToken);
+  code_map.AddCode(ToAddress(0x1750), &entry3, 0x100);
   CHECK_EQ(NULL, code_map.FindEntry(ToAddress(0x1700)));
-  CHECK_EQ(&entry1, code_map.FindEntry(ToAddress(0x1800)));
+  CHECK_EQ(&entry3, code_map.FindEntry(ToAddress(0x1750)));
 }