Debugger: move implementation to a separate folder.

src/debug/liveedit.h

 // Copyright 2012 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.
 
-#ifndef V8_LIVEEDIT_H_
-#define V8_LIVEEDIT_H_
-
+#ifndef V8_DEBUG_LIVEEDIT_H_
+#define V8_DEBUG_LIVEEDIT_H_
 
 
 // Live Edit feature implementation.
 // User should be able to change script on already running VM. This feature
 // matches hot swap features in other frameworks.
 //
 // The basic use-case is when user spots some mistake in function body
 // from debugger and wishes to change the algorithm without restart.
 //
 // A single change always has a form of a simple replacement (in pseudo-code):
@@ skipping 101 matching lines @@
   // contain general error message. Modifies the current stack and
   // has restart the lowest found frames and drops all other frames above
   // if possible and if do_drop is true.
   static Handle<JSArray> CheckAndDropActivations(
       Handle<JSArray> shared_info_array, bool do_drop);
 
   // Restarts the call frame and completely drops all frames above it.
   // Return error message or NULL.
   static const char* RestartFrame(JavaScriptFrame* frame);
 
-  // A copy of this is in liveedit-debugger.js.
+  // A copy of this is in liveedit.js.
   enum FunctionPatchabilityStatus {
     FUNCTION_AVAILABLE_FOR_PATCH = 1,
     FUNCTION_BLOCKED_ON_ACTIVE_STACK = 2,
     FUNCTION_BLOCKED_ON_OTHER_STACK = 3,
     FUNCTION_BLOCKED_UNDER_NATIVE_CODE = 4,
     FUNCTION_REPLACED_ON_ACTIVE_STACK = 5,
     FUNCTION_BLOCKED_UNDER_GENERATOR = 6,
     FUNCTION_BLOCKED_ACTIVE_GENERATOR = 7
   };
 
@@ skipping 222 matching lines @@
   static const int kStartPositionOffset_ = 1;
   static const int kEndPositionOffset_ = 2;
   static const int kSharedInfoOffset_ = 3;
   static const int kSize_ = 4;
 
   friend class JSArrayBasedStruct<SharedInfoWrapper>;
 };
 
 } }  // namespace v8::internal
 
-#endif /* V*_LIVEEDIT_H_ */
+#endif /* V8_DEBUG_LIVEEDIT_H_ */