Incorporate BlobChannel into Blimp image encode/decode pipeline.

blimp/net/blob_channel/blob_channel_receiver.cc

Index: blimp/net/blob_channel/blob_channel_receiver.cc
diff --git a/blimp/net/blob_channel/blob_channel_receiver.cc b/blimp/net/blob_channel/blob_channel_receiver.cc
index 5819854a5b0998f37ece339bbc2ec669b62d70f6..b0922e7a4bd38f7e823d0c82cae5126b2660b1cf 100644
--- a/blimp/net/blob_channel/blob_channel_receiver.cc
+++ b/blimp/net/blob_channel/blob_channel_receiver.cc
@@ -7,6 +7,7 @@
 #include "base/logging.h"
 #include "base/macros.h"
 #include "blimp/common/blob_cache/blob_cache.h"
+#include "blimp/common/blob_cache/id_util.h"
 
 namespace blimp {
 
@@ -44,7 +45,7 @@ BlobChannelReceiverImpl::BlobChannelReceiverImpl(
 BlobChannelReceiverImpl::~BlobChannelReceiverImpl() {}
 
 BlobDataPtr BlobChannelReceiverImpl::Get(const BlobId& id) {
-  DVLOG(2) << "Get blob: " << id;
+  DVLOG(2) << "Get blob: " << BlobIdToString(id);
 
   base::AutoLock lock(cache_lock_);
   return cache_->Get(id);
@@ -52,7 +53,8 @@ BlobDataPtr BlobChannelReceiverImpl::Get(const BlobId& id) {
 
 void BlobChannelReceiverImpl::OnBlobReceived(const BlobId& id,
                                              BlobDataPtr data) {
-  DVLOG(2) << "Blob received: " << id;
+  DVLOG(2) << "Blob received: " << BlobIdToString(id)
+           << ", size: " << data->data.size();
 
   base::AutoLock lock(cache_lock_);
   cache_->Put(id, data);