Blimp: Add BlobChannel Helium messages and delegate impls.

blimp/net/blob_channel/blob_channel_integration_test.cc

Index: blimp/net/blob_channel/blob_channel_integration_test.cc
diff --git a/blimp/net/blob_channel/blob_channel_integration_test.cc b/blimp/net/blob_channel/blob_channel_integration_test.cc
index fe5b54d52e76a384fcb1188df824cc28b733d24d..35daef895925a3057ccf4ff0627bf8654752f01c 100644
--- a/blimp/net/blob_channel/blob_channel_integration_test.cc
+++ b/blimp/net/blob_channel/blob_channel_integration_test.cc
@@ -64,9 +64,9 @@ class BlobChannelIntegrationTest : public testing::Test {
   BlobChannelIntegrationTest() {
     std::unique_ptr<SenderDelegateProxy> sender_delegate(
         new SenderDelegateProxy);
-    receiver_.reset(
-        new BlobChannelReceiver(base::WrapUnique(new InMemoryBlobCache),
-                                sender_delegate->GetReceiverDelegate()));
+    receiver_ =
+        BlobChannelReceiver::Create(base::WrapUnique(new InMemoryBlobCache),
+                                    sender_delegate->GetReceiverDelegate());
     sender_.reset(new BlobChannelSender(base::WrapUnique(new InMemoryBlobCache),
                                         std::move(sender_delegate)));
   }