Clean up some random TODO(titzer)s and spelling mistakes.

src/deoptimizer.cc

 // Copyright 2013 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/deoptimizer.h"
 
 #include "src/accessors.h"
 #include "src/ast/prettyprinter.h"
 #include "src/codegen.h"
 #include "src/disasm.h"
@@ skipping 365 matching lines @@
       // Move the code to the _deoptimized_ code list.
       code->set_next_code_link(context->DeoptimizedCodeListHead());
       context->SetDeoptimizedCodeListHead(code);
     } else {
       // Not marked; preserve this element.
       prev = code;
     }
     element = next;
   }
 
-  // TODO(titzer): we need a handle scope only because of the macro assembler,
-  // which is only used in EnsureCodeForDeoptimizationEntry.
+  // We need a handle scope only because of the macro assembler,
+  // which is used in code patching in EnsureCodeForDeoptimizationEntry.
   HandleScope scope(isolate);
 
   // Now patch all the codes for deoptimization.
   for (int i = 0; i < codes.length(); i++) {
 #ifdef DEBUG
     if (codes[i] == topmost_optimized_code) {
       DCHECK(safe_to_deopt_topmost_optimized_code);
     }
 #endif
     // It is finally time to die, code object.
@@ skipping 3403 matching lines @@
       DCHECK(value_info->IsMaterializedObject());
 
       value_info->value_ =
           Handle<Object>(previously_materialized_objects->get(i), isolate_);
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8