Remove some unnecessary namespace alias definitions.

test/cctest/test-lockers.cc

 // Copyright 2007-2011 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 36 matching lines @@
 using ::v8::HandleScope;
 using ::v8::Local;
 using ::v8::Object;
 using ::v8::ObjectTemplate;
 using ::v8::Persistent;
 using ::v8::Script;
 using ::v8::String;
 using ::v8::Value;
 using ::v8::V8;
 
-namespace i = ::i;
-
-
-
 
 // Migrating an isolate
 class KangarooThread : public v8::internal::Thread {
  public:
   KangarooThread(v8::Isolate* isolate,
                  v8::Handle<v8::Context> context, int value)
       : Thread("KangarooThread"),
         isolate_(isolate), context_(context), value_(value) {
   }
 
@@ skipping 561 matching lines @@
       v8::Context::Scope context_scope(context);
       v8::Handle<String> source = v8::String::New("1+1");
       v8::Handle<Script> script = v8::Script::Compile(source);
       v8::Handle<Value> result = script->Run();
       v8::String::AsciiValue ascii(result);
       context.Dispose();
     }
     isolate->Dispose();
   }
 }