Cleanup error handling in the client plugin.

remoting/client/plugin/pepper_view.cc

Index: remoting/client/plugin/pepper_view.cc
diff --git a/remoting/client/plugin/pepper_view.cc b/remoting/client/plugin/pepper_view.cc
index 27ce1bc9762493097b2dbe9fbd83976da5b6dce6..5c56c9fd4bd58bcdb0643dbd4b5f30332ff4f402 100644
--- a/remoting/client/plugin/pepper_view.cc
+++ b/remoting/client/plugin/pepper_view.cc
@@ -32,17 +32,24 @@ namespace {
 const size_t kMaxPendingBuffersCount = 2;
 
 ChromotingInstance::ConnectionError ConvertConnectionError(
-    protocol::ConnectionToHost::Error error) {
+    protocol::ErrorCode error) {
   switch (error) {
-    case protocol::ConnectionToHost::OK:
+    case protocol::OK:
       return ChromotingInstance::ERROR_NONE;
-    case protocol::ConnectionToHost::HOST_IS_OFFLINE:
+
+    case protocol::PEER_IS_OFFLINE:
       return ChromotingInstance::ERROR_HOST_IS_OFFLINE;
-    case protocol::ConnectionToHost::SESSION_REJECTED:
+
+    case protocol::SESSION_REJECTED:
+    case protocol::AUTHENTICATION_FAILED:
       return ChromotingInstance::ERROR_SESSION_REJECTED;
-    case protocol::ConnectionToHost::INCOMPATIBLE_PROTOCOL:
+
+    case protocol::INCOMPATIBLE_PROTOCOL:
       return ChromotingInstance::ERROR_INCOMPATIBLE_PROTOCOL;
-    case protocol::ConnectionToHost::NETWORK_FAILURE:
+
+    case protocol::CHANNEL_CONNECTION_ERROR:
+    case protocol::SIGNALING_TIMEOUT:
+    case protocol::UNKNOWN_ERROR:
       return ChromotingInstance::ERROR_NETWORK_FAILURE;
   }
   DLOG(FATAL) << "Unknown error code" << error;
@@ -97,7 +104,7 @@ void PepperView::TearDown() {
 }
 
 void PepperView::SetConnectionState(protocol::ConnectionToHost::State state,
-                                    protocol::ConnectionToHost::Error error) {
+                                    protocol::ErrorCode error) {
   DCHECK(context_->main_message_loop()->BelongsToCurrentThread());
 
   switch (state) {