[inspector] added type of break location into getPossibleBreakpoints output

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"
@@ skipping 70 matching lines @@
   }
   inline bool IsDebugBreakSlot() const { return type_ >= DEBUG_BREAK_SLOT; }
   inline bool IsDebuggerStatement() const {
     return type_ == DEBUGGER_STATEMENT;
   }
 
   bool HasBreakPoint(Handle<DebugInfo> debug_info) const;
 
   inline int position() const { return position_; }
 
+  debug::BreakLocationType type() const;
+
  private:
   BreakLocation(Handle<AbstractCode> abstract_code, DebugBreakType type,
                 int code_offset, int position)
       : abstract_code_(abstract_code),
         code_offset_(code_offset),
         type_(type),
         position_(position) {
     DCHECK_NE(NOT_DEBUG_BREAK, type_);
   }
 
@@ skipping 205 matching lines @@
   void PrepareStep(StepAction step_action);
   void PrepareStepIn(Handle<JSFunction> function);
   void PrepareStepInSuspendedGenerator();
   void PrepareStepOnThrow();
   void ClearStepping();
   void ClearStepOut();
 
   bool PrepareFunctionForBreakPoints(Handle<SharedFunctionInfo> shared);
   bool GetPossibleBreakpoints(Handle<Script> script, int start_position,
                               int end_position, bool restrict_to_function,
-                              std::set<int>* positions);
+                              std::vector<BreakLocation>* locations);
 
   void RecordGenerator(Handle<JSGeneratorObject> generator_object);
 
   void RunPromiseHook(PromiseHookType type, Handle<JSPromise> promise,
                       Handle<Object> parent);
 
   int NextAsyncTaskId(Handle<JSObject> promise);
 
   bool IsBlackboxed(Handle<SharedFunctionInfo> shared);
 
@@ skipping 462 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_