Incorporate BlobChannel into Blimp image encode/decode pipeline.

blimp/net/browser_connection_handler.cc

Index: blimp/net/browser_connection_handler.cc
diff --git a/blimp/net/browser_connection_handler.cc b/blimp/net/browser_connection_handler.cc
index 37519f7b9db40ca747886ab306e11324ba40367b..00599535c69f5cfa16504214f115ee86dcbdbb11 100644
--- a/blimp/net/browser_connection_handler.cc
+++ b/blimp/net/browser_connection_handler.cc
@@ -63,7 +63,6 @@ void BrowserConnectionHandler::OnConnectionError(int error) {
 }
 
 void BrowserConnectionHandler::DropCurrentConnection() {
-  DCHECK(connection_);
   output_buffer_->SetOutputProcessor(nullptr);

[Wez, 2016/06/10 22:29:54]

nit: You might consider adding an early-return in case that |connection_| is
null, to guard against some later change adding non-idempotent cleanup code.

[Kevin M, 2016/06/10 23:51:50]

Done.

   connection_.reset();
 }