Debugger: refactor ScopeIterator, FrameInspector and DebugEvaluate.

test/cctest/test-debug.cc

Index: test/cctest/test-debug.cc
diff --git a/test/cctest/test-debug.cc b/test/cctest/test-debug.cc
index 5461f300fbf0aec04aa63193d5c1304d6d6064b4..4db53f85ff8a914a549343229a81c91b8164a242 100644
--- a/test/cctest/test-debug.cc
+++ b/test/cctest/test-debug.cc
@@ -52,7 +52,6 @@ using ::v8::internal::Heap;
 using ::v8::internal::JSGlobalProxy;
 using ::v8::internal::Code;
 using ::v8::internal::Debug;
-using ::v8::internal::Debugger;
 using ::v8::internal::CommandMessage;
 using ::v8::internal::CommandMessageQueue;
 using ::v8::internal::StackFrame;