Revert of [debugger] do not predict step in target for liveedit.

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_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
@@ skipping 43 matching lines @@
   Isolate* isolate_;
 };
 
 
 class LiveEdit : AllStatic {
  public:
   // Describes how exactly a frame has been dropped from stack.
   enum FrameDropMode {
     // No frame has been dropped.
     FRAMES_UNTOUCHED,
+    // The top JS frame had been calling IC stub. IC stub mustn't be called now.
+    FRAME_DROPPED_IN_IC_CALL,
     // The top JS frame had been calling debug break slot stub. Patch the
     // address this stub jumps to in the end.
     FRAME_DROPPED_IN_DEBUG_SLOT_CALL,
     // The top JS frame had been calling some C++ function. The return address
     // gets patched automatically.
     FRAME_DROPPED_IN_DIRECT_CALL,
     FRAME_DROPPED_IN_RETURN_CALL,
     CURRENTLY_SET_MODE
   };
 
@@ skipping 288 matching lines @@
   static const int kSharedInfoOffset_ = 3;
   static const int kSize_ = 4;
 
   friend class JSArrayBasedStruct<SharedInfoWrapper>;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif /* V8_DEBUG_LIVEEDIT_H_ */