Move shell service to toplevel shell namespace

services/tracing/tracing_app.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "services/tracing/tracing_app.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 
 namespace tracing {
 
 TracingApp::TracingApp() : collector_binding_(this), tracing_active_(false) {
 }
 
 TracingApp::~TracingApp() {
 }
 
-bool TracingApp::AcceptConnection(mojo::Connection* connection) {
+bool TracingApp::AcceptConnection(shell::Connection* connection) {
   connection->AddInterface<TraceCollector>(this);
   connection->AddInterface<StartupPerformanceDataCollector>(this);
 
   // If someone connects to us they may want to use the TraceCollector
   // interface and/or they may want to expose themselves to be traced. Attempt
   // to connect to the TraceProvider interface to see if the application
   // connecting to us wants to be traced. They can refuse the connection or
   // close the pipe if not.
   TraceProviderPtr provider_ptr;
   connection->GetInterface(&provider_ptr);
   if (tracing_active_) {
     TraceRecorderPtr recorder_ptr;
     recorder_impls_.push_back(
         new TraceRecorderImpl(GetProxy(&recorder_ptr), sink_.get()));
     provider_ptr->StartTracing(tracing_categories_, std::move(recorder_ptr));
   }
   provider_ptrs_.AddPtr(std::move(provider_ptr));
   return true;
 }
 
 bool TracingApp::ShellConnectionLost() {
   // TODO(beng): This is only required because TracingApp isn't run by
   // ApplicationRunner - instead it's launched automatically by the standalone
   // shell. It shouldn't be.
   base::MessageLoop::current()->QuitWhenIdle();
   return false;
 }
 
-void TracingApp::Create(mojo::Connection* connection,
+void TracingApp::Create(shell::Connection* connection,
                         mojo::InterfaceRequest<TraceCollector> request) {
   collector_binding_.Bind(std::move(request));
 }
 
 void TracingApp::Create(
-    mojo::Connection* connection,
+    shell::Connection* connection,
     mojo::InterfaceRequest<StartupPerformanceDataCollector> request) {
   startup_performance_data_collector_bindings_.AddBinding(this,
                                                           std::move(request));
 }
 
 void TracingApp::Start(mojo::ScopedDataPipeProducerHandle stream,
                        const mojo::String& categories) {
   tracing_categories_ = categories;
   sink_.reset(new TraceDataSink(std::move(stream)));
   provider_ptrs_.ForAllPtrs([categories, this](TraceProvider* controller) {
@@ skipping 107 matching lines @@
     const GetStartupPerformanceTimesCallback& callback) {
   callback.Run(startup_performance_times_.Clone());
 }
 
 void TracingApp::AllDataCollected() {
   recorder_impls_.clear();
   sink_.reset();
 }
 
 }  // namespace tracing