cc/blimp: Remove Initialize and Close messages.

cc/test/remote_proto_channel_bridge.h

Index: cc/test/remote_proto_channel_bridge.h
diff --git a/cc/test/remote_proto_channel_bridge.h b/cc/test/remote_proto_channel_bridge.h
index 816bd9459c71b56b0d7a5ff6f993bd42d61a35d5..4404c7d6dc9277cfcb19da40bc8cf8f0dd82f8f8 100644
--- a/cc/test/remote_proto_channel_bridge.h
+++ b/cc/test/remote_proto_channel_bridge.h
@@ -36,13 +36,9 @@ class FakeRemoteProtoChannel : public RemoteProtoChannel {
 
 class FakeRemoteProtoChannelMain : public FakeRemoteProtoChannel {
  public:
-  FakeRemoteProtoChannelMain(RemoteProtoChannelBridge* bridge,
-                             TestHooks* test_hooks);
+  explicit FakeRemoteProtoChannelMain(RemoteProtoChannelBridge* bridge);
 
   void SendCompositorProto(const proto::CompositorMessage& proto) override;
-
- private:
-  TestHooks* test_hooks_;
 };
 
 class FakeRemoteProtoChannelImpl : public FakeRemoteProtoChannel {
@@ -54,7 +50,7 @@ class FakeRemoteProtoChannelImpl : public FakeRemoteProtoChannel {
 
 class RemoteProtoChannelBridge {
  public:
-  explicit RemoteProtoChannelBridge(TestHooks* test_hooks);
+  RemoteProtoChannelBridge();
   ~RemoteProtoChannelBridge();
 
   FakeRemoteProtoChannelMain channel_main;