[objects] Extract DebugInfo and BreakPointInfo to own file

src/debug/debug.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_DEBUG_H_
 #define V8_DEBUG_DEBUG_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/base/atomicops.h"
 #include "src/base/hashmap.h"
 #include "src/base/platform/platform.h"
 #include "src/debug/debug-interface.h"
 #include "src/debug/interface-types.h"
 #include "src/execution.h"
 #include "src/factory.h"
 #include "src/flags.h"
 #include "src/frames.h"
 #include "src/globals.h"
+#include "src/objects/debug-objects.h"
 #include "src/runtime/runtime.h"
 #include "src/source-position-table.h"
 #include "src/string-stream.h"
 #include "src/v8threads.h"
 
 #include "include/v8-debug.h"
 
 namespace v8 {
 namespace internal {
 
@@ skipping 140 matching lines @@
   BreakLocation GetBreakLocation() override;
   bool Done() const override { return reloc_iterator_.done(); }
   void Next() override;
 
   bool IsDebugBreak() override;
   void ClearDebugBreak() override;
   void SetDebugBreak() override;
 
   void SkipToPosition(int position, BreakPositionAlignment alignment);
 
-  int code_offset() override {
-    return static_cast<int>(rinfo()->pc() -
-                            debug_info_->DebugCode()->instruction_start());
-  }
+  int code_offset() override;
 
  private:
   int GetModeMask();
   DebugBreakType GetDebugBreakType();
 
   RelocInfo::Mode rmode() { return reloc_iterator_.rinfo()->rmode(); }
   RelocInfo* rinfo() { return reloc_iterator_.rinfo(); }
 
   RelocIterator reloc_iterator_;
   SourcePositionTableIterator source_position_iterator_;
@@ skipping 612 matching lines @@
                                   Handle<Code> code);
   static bool DebugBreakSlotIsPatched(Address pc);
   static void ClearDebugBreakSlot(Isolate* isolate, Address pc);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_DEBUG_DEBUG_H_