DevTools: close remote debugging connection on IO thread when inspected tab closes.

chrome/browser/debugger/devtools_http_protocol_handler.cc

Index: chrome/browser/debugger/devtools_http_protocol_handler.cc
diff --git a/chrome/browser/debugger/devtools_http_protocol_handler.cc b/chrome/browser/debugger/devtools_http_protocol_handler.cc
index df2e592530650ebf0b3d4f9eafb0269a76675922..58f2d94e321d97c84f71b92ac149ecd19fd82e88 100644
--- a/chrome/browser/debugger/devtools_http_protocol_handler.cc
+++ b/chrome/browser/debugger/devtools_http_protocol_handler.cc
@@ -38,7 +38,11 @@ class DevToolsClientHostImpl : public DevToolsClientHost {
 
   // DevToolsClientHost interface
   virtual void InspectedTabClosing() {
-    socket_->Close();
+    ChromeThread::PostTask(
+        ChromeThread::IO,
+        FROM_HERE,
+        NewRunnableMethod(socket_,
+                          &HttpListenSocket::Close));
   }
 
   virtual void SendMessageToClient(const IPC::Message& msg) {