Fixing cpp examples.

examples/cpp/cpptutorial.md

@@ -245,7 +245,7 @@ To call service methods, we first need to create a *stub*.
 First we need to create a gRPC *channel* for our stub, specifying the server address and port we want to connect to without SSL:
 
 ```cpp
-grpc::CreateChannel("localhost:50051", grpc::InsecureCredentials());
+grpc::CreateChannel("localhost:50051", grpc::InsecureChannelCredentials());
 ```
 
 Now we can use the channel to create our stub using the `NewStub` method provided in the `RouteGuide` class we generated from our .proto.

examples/cpp/helloworld/README.md

@@ -94,7 +94,7 @@ $ protoc -I ../../protos/ --cpp_out=. ../../protos/helloworld.proto
   arguments as follows
 
     ```
-    auto channel = CreateChannel("localhost:50051", InsecureCredentials());
+    auto channel = CreateChannel("localhost:50051", InsecureChannelCredentials());
     ```
 
 - Create a stub. A stub implements the rpc methods of a service and in the

examples/cpp/helloworld/greeter_async_client.cc

@@ -114,9 +114,9 @@ int main(int argc, char** argv) {
   // Instantiate the client. It requires a channel, out of which the actual RPCs
   // are created. This channel models a connection to an endpoint (in this case,
   // localhost at port 50051). We indicate that the channel isn't authenticated
-  // (use of InsecureCredentials()).
-  GreeterClient greeter(
-      grpc::CreateChannel("localhost:50051", grpc::InsecureCredentials()));
+  // (use of InsecureChannelCredentials()).
+  GreeterClient greeter(grpc::CreateChannel(
+      "localhost:50051", grpc::InsecureChannelCredentials()));
   std::string user("world");
   std::string reply = greeter.SayHello(user);  // The actual RPC call!
   std::cout << "Greeter received: " << reply << std::endl;

examples/cpp/helloworld/greeter_client.cc

@@ -84,9 +84,9 @@ int main(int argc, char** argv) {
   // Instantiate the client. It requires a channel, out of which the actual RPCs
   // are created. This channel models a connection to an endpoint (in this case,
   // localhost at port 50051). We indicate that the channel isn't authenticated
-  // (use of InsecureCredentials()).
-  GreeterClient greeter(
-      grpc::CreateChannel("localhost:50051", grpc::InsecureCredentials()));
+  // (use of InsecureChannelCredentials()).
+  GreeterClient greeter(grpc::CreateChannel(
+      "localhost:50051", grpc::InsecureChannelCredentials()));
   std::string user("world");
   std::string reply = greeter.SayHello(user);
   std::cout << "Greeter received: " << reply << std::endl;

examples/cpp/route_guide/route_guide_client.cc

@@ -234,7 +234,8 @@ int main(int argc, char** argv) {
   // Expect only arg: --db_path=path/to/route_guide_db.json.
   std::string db = routeguide::GetDbFileContent(argc, argv);
   RouteGuideClient guide(
-      grpc::CreateChannel("localhost:50051", grpc::InsecureCredentials()),
+      grpc::CreateChannel("localhost:50051",
+                          grpc::InsecureChannelCredentials()),
       db);
 
   std::cout << "-------------- GetFeature --------------" << std::endl;