clang-format //shell and add a PRESUBMIT.py to keep it clang-formatted.

shell/out_of_process_dynamic_service_runner.cc

 // Copyright 2014 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 "shell/out_of_process_dynamic_service_runner.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
@@ skipping 20 matching lines @@
 void OutOfProcessDynamicServiceRunner::Start(
     const base::FilePath& app_path,
     DynamicServiceRunner::CleanupBehavior cleanup_behavior,
     InterfaceRequest<Application> application_request,
     const base::Closure& app_completed_callback) {
   app_path_ = app_path;
 
   DCHECK(app_completed_callback_.is_null());
   app_completed_callback_ = app_completed_callback;
 
-  app_child_process_host_.reset(
-      new AppChildProcessHost(context_));
+  app_child_process_host_.reset(new AppChildProcessHost(context_));
   app_child_process_host_->Start();
 
   // TODO(vtl): |app_path.AsUTF8Unsafe()| is unsafe.
   app_child_process_host_->StartApp(
       app_path.AsUTF8Unsafe(), cleanup_behavior == DeleteAppPath,
       application_request.Pass(),
       base::Bind(&OutOfProcessDynamicServiceRunner::AppCompleted,
                  base::Unretained(this)));
 }
 
 void OutOfProcessDynamicServiceRunner::AppCompleted(int32_t result) {
   DVLOG(2) << "OutOfProcessDynamicServiceRunner::AppCompleted(" << result
            << ")";
 
   app_child_process_host_.reset();
   // This object may be deleted by this callback.
   base::Closure app_completed_callback = app_completed_callback_;
   app_completed_callback_.Reset();
   app_completed_callback.Run();
 }
 
 }  // namespace shell
 }  // namespace mojo