Add Observatory to sky dart_controller

mojo/dart/embedder/dart_debugger.h

 // Copyright 2015 The Chromium 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 MOJO_DART_EMBEDDER_DART_DEBUGGER_H_
 #define MOJO_DART_EMBEDDER_DART_DEBUGGER_H_
 
+#include <memory>
+#include <vector>
+
 #include "dart/runtime/include/dart_api.h"
 #include "dart/runtime/include/dart_debugger_api.h"
 #include "dart/runtime/include/dart_native_api.h"
 #include "mojo/dart/embedder/monitor.h"
 
 namespace base {
   class Lock;
 }
 
 namespace mojo {
@@ skipping 35 matching lines @@
 
   static void ExceptionThrownHandler(Dart_IsolateId isolate_id,
                                      Dart_Handle exception,
                                      Dart_StackTrace stack_trace);
 
   static void IsolateEventHandler(Dart_IsolateId isolate_id,
                                   Dart_IsolateEvent kind);
 
   static void NotifyIsolate(Dart_Isolate isolate);
 
-  static DartDebuggerIsolate* FindIsolateById(Dart_IsolateId id);
+  static intptr_t FindIsolateIndexById(Dart_IsolateId id);
 
-  static DartDebuggerIsolate* FindIsolateByIdLocked(Dart_IsolateId id);
+  static intptr_t FindIsolateIndexByIdLocked(Dart_IsolateId id);
 
-  static DartDebuggerIsolate* AddIsolate(Dart_IsolateId id);
+  static void AddIsolate(Dart_IsolateId id);
 
   static void RemoveIsolate(Dart_IsolateId id);
 
   static base::Lock* lock_;
-  static std::vector<DartDebuggerIsolate*> isolates_;
+  static std::vector<std::unique_ptr<DartDebuggerIsolate>>* isolates_;
 
   friend class DartDebuggerIsolate;
 };
 
 }  // namespace dart
 }  // namespace mojo
 
 #endif  // MOJO_DART_EMBEDDER_DART_DEBUGGER_H_