Adding ThreadChecker statement to d'tor for remoting/base classes

remoting/base/running_samples.cc

Index: remoting/base/running_samples.cc
diff --git a/remoting/base/running_samples.cc b/remoting/base/running_samples.cc
index d76a1a688d8458e6c3d1cd2c644c4e5ca6b4dd9f..fc93e25f94856399fb5b8991e2190ba3e9895c47 100644
--- a/remoting/base/running_samples.cc
+++ b/remoting/base/running_samples.cc
@@ -15,7 +15,9 @@ RunningSamples::RunningSamples(int window_size)
   DCHECK_GT(window_size, 0);
 }
 
-RunningSamples::~RunningSamples() {}
+RunningSamples::~RunningSamples() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+}
 
 void RunningSamples::Record(int64_t value) {
   DCHECK(thread_checker_.CalledOnValidThread());