Clang format

src/cpp/client/cronet_credentials.cc

 #include <grpc++/security/credentials.h>
 
-#include <grpc/grpc_cronet.h>
 #include <grpc++/channel.h>
 #include <grpc++/support/channel_arguments.h>
+#include <grpc/grpc_cronet.h>
 #include "src/cpp/client/create_channel_internal.h"
 
 namespace grpc {
 
 class CronetChannelCredentialsImpl GRPC_FINAL : public ChannelCredentials {
  public:
-  CronetChannelCredentialsImpl(void* engine)
-      : engine_(engine) {}
+  CronetChannelCredentialsImpl(void* engine) : engine_(engine) {}
 
   std::shared_ptr<grpc::Channel> CreateChannel(
       const string& target, const grpc::ChannelArguments& args) GRPC_OVERRIDE {
     grpc_channel_args channel_args;
     args.SetChannelArgs(&channel_args);
     return CreateChannelInternal(
-        "",
-        grpc_cronet_secure_channel_create(
-            engine_, target.c_str(), &channel_args, nullptr));
+        "", grpc_cronet_secure_channel_create(engine_, target.c_str(),
+                                              &channel_args, nullptr));
   }
 
   SecureChannelCredentials* AsSecureCredentials() GRPC_OVERRIDE {
     return nullptr;
   }
 
-private:
+ private:
   void* engine_;
 };