[RemotePlayback] No monitoring on low-end devices

third_party/WebKit/Source/modules/remoteplayback/RemotePlayback.h

 // Copyright 2016 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 RemotePlayback_h
 #define RemotePlayback_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 55 matching lines @@
 
   DEFINE_ATTRIBUTE_EVENT_LISTENER(connecting);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(connect);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(disconnect);
 
   DECLARE_VIRTUAL_TRACE();
   DECLARE_VIRTUAL_TRACE_WRAPPERS();
 
  private:
   friend class V8RemotePlayback;
+  friend class InternalsRemotePlayback;
   friend class RemotePlaybackTest;
 
   explicit RemotePlayback(ScriptState*, HTMLMediaElement&);
 
   // Calls the specified availability callback with the current availability.
   // Need a void() method to post it as a task.
   void notifyInitialAvailability(int callbackId);
 
   // WebRemotePlaybackClient implementation.
   void stateChanged(WebRemotePlaybackState) override;
   void availabilityChanged(bool available) override;
   void promptCancelled() override;
 
   // Prevent v8 from garbage collecting the availability callbacks.
   // TODO(avayvod): remove when crbug.com/468240 is fixed and the references
   // are maintained automatically.
   void setV8ReferencesForCallbacks(v8::Isolate*,
                                    const v8::Persistent<v8::Object>& wrapper);
 
+  void setIsLowEndDeviceForTesting(bool isLowEndDevice) {
+    m_isLowEndDevice = isLowEndDevice;
+  }
+
   RefPtr<ScriptState> m_scriptState;
   WebRemotePlaybackState m_state;
   bool m_availability;
   HeapHashMap<int, TraceWrapperMember<RemotePlaybackAvailabilityCallback>>
       m_availabilityCallbacks;
   Member<HTMLMediaElement> m_mediaElement;
   Member<ScriptPromiseResolver> m_promptPromiseResolver;
+  bool m_isLowEndDevice;
 };
 
 }  // namespace blink
 
 #endif  // RemotePlayback_h