Issue 66: closing browser results into "SocketException: Broken pipe"

plugins/org.chromium.sdk.wipbackend.dev/src/org/chromium/sdk/internal/websocket/AbstractWsConnection.java

Index: plugins/org.chromium.sdk.wipbackend.dev/src/org/chromium/sdk/internal/websocket/AbstractWsConnection.java
diff --git a/plugins/org.chromium.sdk.wipbackend.dev/src/org/chromium/sdk/internal/websocket/AbstractWsConnection.java b/plugins/org.chromium.sdk.wipbackend.dev/src/org/chromium/sdk/internal/websocket/AbstractWsConnection.java
index 99ab4efa40975cbb3c36e421057e5b00e8b7ed97..b0e204e618969755b4f7af9cd60e138e0df83969 100644
--- a/plugins/org.chromium.sdk.wipbackend.dev/src/org/chromium/sdk/internal/websocket/AbstractWsConnection.java
+++ b/plugins/org.chromium.sdk.wipbackend.dev/src/org/chromium/sdk/internal/websocket/AbstractWsConnection.java
@@ -70,7 +70,12 @@ public abstract class AbstractWsConnection<INPUT, OUTPUT> implements WsConnectio
     /**
      * Connection close has been requested from remote side.
      */
-    REMOTE_CLOSE_REQUEST
+    REMOTE_CLOSE_REQUEST,
+
+    /**
+     * Remote side silently closed connection (without breaking a message).
+     */
+    REMOTE_SILENTLY_CLOSED,
   }
 
   @Override
@@ -109,6 +114,10 @@ public abstract class AbstractWsConnection<INPUT, OUTPUT> implements WsConnectio
         CloseReason closeReason = null;
         try {
           closeReason = runListenLoop(loggableReader);
+          if (closeReason == CloseReason.REMOTE_SILENTLY_CLOSED) {
+            LOGGER.log(Level.INFO,
+                "Remote side silently closed connection without 'close' message");
+          }
         } catch (IOException e) {
           closeCause = e;
           LOGGER.log(Level.SEVERE, "Connection read failure", e);