Make TracingImpl take a Shell* and args, instead of an ApplicationImpl*.

services/ui/view_manager/view_manager_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/ui/view_manager/view_manager_app.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 15 matching lines @@
 
 void ViewManagerApp::Initialize(mojo::ApplicationImpl* app_impl) {
   app_impl_ = app_impl;
 
   auto command_line = base::CommandLine::ForCurrentProcess();
   command_line->InitFromArgv(app_impl_->args());
   logging::LoggingSettings settings;
   settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
   logging::InitLogging(settings);
 
-  tracing_.Initialize(app_impl_);
+  tracing_.Initialize(app_impl_->shell(), &app_impl_->args());
 
   // Connect to compositor.
   mojo::gfx::composition::CompositorPtr compositor;
   mojo::ConnectToService(app_impl_->shell(), "mojo:compositor_service",
                          GetProxy(&compositor));
   compositor.set_connection_error_handler(base::Bind(
       &ViewManagerApp::OnCompositorConnectionError, base::Unretained(this)));
 
   // Create the registry.
   registry_.reset(new ViewRegistry(compositor.Pass()));
@@ skipping 14 matching lines @@
 void ViewManagerApp::OnCompositorConnectionError() {
   LOG(ERROR) << "Exiting due to compositor connection error.";
   Shutdown();
 }
 
 void ViewManagerApp::Shutdown() {
   app_impl_->Terminate();
 }
 
 }  // namespace view_manager