addressed feedback.

src/compiler/objective_c_generator.cc

@@ -94,7 +94,7 @@ void PrintSimpleSignature(Printer *printer, const MethodDescriptor *method,
 void PrintAdvancedSignature(Printer *printer, const MethodDescriptor *method,
                             map< ::grpc::string, ::grpc::string> vars) {
   vars["method_name"] = "RPCTo" + vars["method_name"];
-  vars["return_type"] = "GRPCProtoRPC *";
+  vars["return_type"] = "GRPCProtoCall *";
   PrintMethodSignature(printer, method, vars);
 }
 

src/objective-c/ProtoRPC/ProtoMethod.h

@@ -51,7 +51,7 @@ __attribute__((deprecated("Please use GRPCProtoMethod.")))
 @end
 
 /**
- * This subclass is empty now. Eventually we'll remove ProtoService class
+ * This subclass is empty now. Eventually we'll remove ProtoMethod class
  * to avoid potential naming conflict
  */
 @interface GRPCProtoMethod : ProtoMethod

src/objective-c/ProtoRPC/ProtoRPC.h

@@ -36,7 +36,7 @@
 
 #import "ProtoMethod.h"
 
-__attribute__((deprecated("Please use GRPCProtoRPC.")))
+__attribute__((deprecated("Please use GRPCProtoCall.")))
 @interface ProtoRPC : GRPCCall
 
 - (instancetype)initWithHost:(NSString *)host
@@ -49,9 +49,9 @@ __attribute__((deprecated("Please use GRPCProtoRPC.")))
 @end
 
 /**
- * This subclass is empty now. Eventually we'll remove ProtoService class
+ * This subclass is empty now. Eventually we'll remove ProtoRPC class
  * to avoid potential naming conflict
  */
-@interface GRPCProtoRPC : ProtoRPC
+@interface GRPCProtoCall : ProtoRPC
 
 @end

src/objective-c/ProtoRPC/ProtoRPC.m

@@ -118,6 +118,6 @@ static NSError *ErrorForBadProto(id proto, Class expectedClass, NSError *parsing
 }
 @end
 
-@implementation GRPCProtoRPC
+@implementation GRPCProtoCall
 
 @end

src/objective-c/ProtoRPC/ProtoService.h

@@ -33,7 +33,7 @@
 
 #import <Foundation/Foundation.h>
 
-@class GRPCProtoRPC;
+@class GRPCProtoCall;
 @protocol GRXWriteable;
 @class GRXWriter;
 
@@ -44,7 +44,7 @@ __attribute__((deprecated("Please use GRPCProtoService.")))
                  packageName:(NSString *)packageName
                  serviceName:(NSString *)serviceName NS_DESIGNATED_INITIALIZER;
 
-- (GRPCProtoRPC *)RPCToMethod:(NSString *)method
+- (GRPCProtoCall *)RPCToMethod:(NSString *)method
            requestsWriter:(GRXWriter *)requestsWriter
   	        responseClass:(Class)responseClass
   	   responsesWriteable:(id<GRXWriteable>)responsesWriteable;