split surface management from surface's buffers management

Change-Id: If3c5655d1231f8f0c49ba68f972b1b20c93b3f87
diff --git a/libs/surfaceflinger_client/ISurfaceComposer.cpp b/libs/surfaceflinger_client/ISurfaceComposer.cpp
index 50495c1..5c111f6 100644
--- a/libs/surfaceflinger_client/ISurfaceComposer.cpp
+++ b/libs/surfaceflinger_client/ISurfaceComposer.cpp
@@ -55,6 +55,15 @@
         return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
     }
 
+    virtual sp<ISurfaceComposerClient> createClientConnection()
+    {
+        uint32_t n;
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        remote()->transact(BnSurfaceComposer::CREATE_CLIENT_CONNECTION, data, &reply);
+        return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
+    }
+
     virtual sp<IMemoryHeap> getCblk() const
     {
         Parcel data, reply;
@@ -136,6 +145,11 @@
             sp<IBinder> b = createConnection()->asBinder();
             reply->writeStrongBinder(b);
         } break;
+        case CREATE_CLIENT_CONNECTION: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            sp<IBinder> b = createClientConnection()->asBinder();
+            reply->writeStrongBinder(b);
+        } break;
         case OPEN_GLOBAL_TRANSACTION: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
             openGlobalTransaction();