[inspector] Support multiple sessions per context group

test/inspector/isolate-data.h

 // Copyright 2017 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_TEST_INSPECTOR_PROTOCOL_ISOLATE_DATA_H_
 #define V8_TEST_INSPECTOR_PROTOCOL_ISOLATE_DATA_H_
 
 #include <map>
 
 #include "include/v8-inspector.h"
@@ skipping 65 matching lines @@
         if (lhs[i] != rhs[i]) return lhs[i] < rhs[i];
       }
       return false;
     }
   };
   static v8::MaybeLocal<v8::Module> ModuleResolveCallback(
       v8::Local<v8::Context> context, v8::Local<v8::String> specifier,
       v8::Local<v8::Module> referrer);
   static void MessageHandler(v8::Local<v8::Message> message,
                              v8::Local<v8::Value> exception);
+  static void PromiseRejectHandler(v8::PromiseRejectMessage data);
+  static int HandleMessage(v8::Local<v8::Message> message,
+                           v8::Local<v8::Value> exception);
   std::vector<int> GetSessionIds(int context_group_id);
 
   // V8InspectorClient implementation.
   bool formatAccessorsAsProperties(v8::Local<v8::Value>) override;
   v8::Local<v8::Context> ensureDefaultContextInGroup(
       int context_group_id) override;
   double currentTimeMS() override;
   v8::MaybeLocal<v8::Value> memoryInfo(v8::Isolate* isolate,
                                        v8::Local<v8::Context>) override;
   void runMessageLoopOnPause(int context_group_id) override;
@@ skipping 19 matching lines @@
   std::map<v8_inspector::V8InspectorSession*, int> context_group_by_session_;
   v8::Global<v8::Value> memory_info_;
   bool current_time_set_ = false;
   double current_time_ = 0.0;
   bool log_console_api_message_calls_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(IsolateData);
 };
 
 #endif  //  V8_TEST_INSPECTOR_PROTOCOL_ISOLATE_DATA_H_