| Index: content/child/runtime_features.cc
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| diff --git a/content/child/runtime_features.cc b/content/child/runtime_features.cc
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| index 286c6276103158469f80b33bce6e0e41aee8356e..29adfca27e393b2c6634318862e28adbfe727f44 100644
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| --- a/content/child/runtime_features.cc
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| +++ b/content/child/runtime_features.cc
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| @@ -42,6 +42,8 @@ static void SetRuntimeFeatureDefaultsForPlatform() {
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|    // Android does not yet support switching of audio output devices
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|    WebRuntimeFeatures::enableAudioOutputDevices(false);
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|    WebRuntimeFeatures::enableAutoplayMutedVideos(true);
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| +  // Android does not yet support SystemMonitor.
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| +  WebRuntimeFeatures::enableOnDeviceChange(false);
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|  #else
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|    WebRuntimeFeatures::enableNavigatorContentUtils(true);
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|  #endif  // defined(OS_ANDROID)
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| 
 |