[ic] Delete old KeyedLoadIC code

test/cctest/test-heap-profiler.cc

 // Copyright 2011 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 2425 matching lines @@
     "::(GC roots)",
     "::(Strong roots)",
     "code_stubs::",
     "::(ArraySingleArgumentConstructorStub code)"
   };
   const v8::HeapGraphNode* node = GetNodeByPath(snapshot,
       stub_path, arraysize(stub_path));
   CHECK(node);
 
   const char* builtin_path1[] = {"::(GC roots)", "::(Builtins)",
-                                 "::(KeyedLoadIC_Megamorphic builtin)"};
+                                 "::(KeyedLoadIC_Slow builtin)"};
   node = GetNodeByPath(snapshot, builtin_path1, arraysize(builtin_path1));
   CHECK(node);
 
   const char* builtin_path2[] = {"::(GC roots)", "::(Builtins)",
                                  "::(CompileLazy builtin)"};
   node = GetNodeByPath(snapshot, builtin_path2, arraysize(builtin_path2));
   CHECK(node);
   v8::String::Utf8Value node_name(node->GetName());
   CHECK_EQ(0, strcmp("(CompileLazy builtin)", *node_name));
 }
@@ skipping 645 matching lines @@
       "      a[i] = i;\n"
       "  for (var i = 0; i < 3; ++i)\n"
       "      a.shift();\n"
       "}\n");
 
   CcTest::CollectGarbage(v8::internal::NEW_SPACE);
   // Should not crash.
 
   heap_profiler->StopSamplingHeapProfiler();
 }