| Index: remoting/host/linux/x11_character_injector.cc
 | 
| diff --git a/remoting/host/linux/x11_character_injector.cc b/remoting/host/linux/x11_character_injector.cc
 | 
| index b25afe254842c47789965c5a3dbcd3f5c366ea66..bc5668ff1004434e7bbe5d7521f888037511d5d8 100644
 | 
| --- a/remoting/host/linux/x11_character_injector.cc
 | 
| +++ b/remoting/host/linux/x11_character_injector.cc
 | 
| @@ -44,6 +44,7 @@ X11CharacterInjector::X11CharacterInjector(
 | 
|  }
 | 
|  
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|  X11CharacterInjector::~X11CharacterInjector() {
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| +  DCHECK(thread_checker_.CalledOnValidThread());
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|    // Clear all used key mappings.
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|    for (const KeyInfo& info : available_keycodes_) {
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|      if (!info.expire_at.is_null()) {
 | 
| 
 |