Move more Mojo bindings helpers out of internal namespace

mojo/public/cpp/bindings/lib/pipe_control_message_handler.cc

Index: mojo/public/cpp/bindings/lib/pipe_control_message_handler.cc
diff --git a/mojo/public/cpp/bindings/lib/pipe_control_message_handler.cc b/mojo/public/cpp/bindings/lib/pipe_control_message_handler.cc
index 1a8b087123d5e5201efc6213a023eea0a4a2dcd0..616d0d783b8668c55dc3e5b78160b8caae07cbfd 100644
--- a/mojo/public/cpp/bindings/lib/pipe_control_message_handler.cc
+++ b/mojo/public/cpp/bindings/lib/pipe_control_message_handler.cc
@@ -2,18 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "mojo/public/cpp/bindings/lib/pipe_control_message_handler.h"
+#include "mojo/public/cpp/bindings/pipe_control_message_handler.h"
 
 #include "base/logging.h"
 #include "mojo/public/cpp/bindings/lib/message_builder.h"
-#include "mojo/public/cpp/bindings/lib/pipe_control_message_handler_delegate.h"
 #include "mojo/public/cpp/bindings/lib/serialization.h"
 #include "mojo/public/cpp/bindings/lib/validation_context.h"
 #include "mojo/public/cpp/bindings/lib/validation_util.h"
+#include "mojo/public/cpp/bindings/pipe_control_message_handler_delegate.h"
 #include "mojo/public/interfaces/bindings/pipe_control_messages.mojom.h"
 
 namespace mojo {
-namespace internal {
 
 PipeControlMessageHandler::PipeControlMessageHandler(
     PipeControlMessageHandlerDelegate* delegate)
@@ -42,13 +41,15 @@ bool PipeControlMessageHandler::Accept(Message* message) {
 }
 
 bool PipeControlMessageHandler::Validate(Message* message) {
-  ValidationContext validation_context(
+  internal::ValidationContext validation_context(
       message->data(), message->data_num_bytes(), 0, message, description_);
 
   if (message->name() == pipe_control::kRunOrClosePipeMessageId) {
-    if (!ValidateMessageIsRequestWithoutResponse(message, &validation_context))
+    if (!internal::ValidateMessageIsRequestWithoutResponse(
+            message, &validation_context)) {
       return false;
-    return ValidateMessagePayload<
+    }
+    return internal::ValidateMessagePayload<
         pipe_control::internal::RunOrClosePipeMessageParams_Data>(
             message, &validation_context);
   }
@@ -64,8 +65,8 @@ bool PipeControlMessageHandler::RunOrClosePipe(Message* message) {
   params->DecodePointers();
 
   pipe_control::RunOrClosePipeMessageParamsPtr params_ptr;
-  Deserialize<pipe_control::RunOrClosePipeMessageParamsPtr>(params, &params_ptr,
-                                                            &context_);
+  internal::Deserialize<pipe_control::RunOrClosePipeMessageParamsPtr>(
+      params, &params_ptr, &context_);
 
   if (params_ptr->input->is_peer_associated_endpoint_closed_event()) {
     return delegate_->OnPeerAssociatedEndpointClosed(
@@ -82,5 +83,4 @@ bool PipeControlMessageHandler::RunOrClosePipe(Message* message) {
   return false;
 }
 
-}  // namespace internal
 }  // namespace mojo