Improve multi-process debugging.

mojo/shell/out_of_process_native_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 "mojo/shell/out_of_process_native_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 OutOfProcessNativeRunner::Start(
     const base::FilePath& app_path,
     NativeApplicationCleanup cleanup,
     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;
 
-  child_process_host_.reset(new ChildProcessHost(context_));
+  std::string name = app_path.BaseName().RemoveExtension().MaybeAsASCII();
+  child_process_host_.reset(new ChildProcessHost(context_, name));
   child_process_host_->Start();
 
   // TODO(vtl): |app_path.AsUTF8Unsafe()| is unsafe.
   child_process_host_->StartApp(
       app_path.AsUTF8Unsafe(), cleanup == NativeApplicationCleanup::DELETE,
       application_request.Pass(),
       base::Bind(&OutOfProcessNativeRunner::AppCompleted,
                  base::Unretained(this)));
 }
 
@@ skipping 10 matching lines @@
 scoped_ptr<NativeRunner> OutOfProcessNativeRunnerFactory::Create(
     const Options& options) {
   if (options.force_in_process)
     return make_scoped_ptr(new InProcessNativeRunner(context_));
 
   return make_scoped_ptr(new OutOfProcessNativeRunner(context_));
 }
 
 }  // namespace shell
 }  // namespace mojo