Get rid of KeepAlive. Quit shell when all urls run directly by Context are closed.

mojo/services/native_viewport/main.cc

Index: mojo/services/native_viewport/main.cc
diff --git a/mojo/services/native_viewport/main.cc b/mojo/services/native_viewport/main.cc
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+// 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 "base/message_loop/message_loop.h"
+#include "gpu/command_buffer/service/mailbox_manager.h"
+#include "mojo/public/c/system/main.h"
+#include "mojo/public/cpp/application/application_connection.h"
+#include "mojo/public/cpp/application/application_delegate.h"
+#include "mojo/public/cpp/application/application_runner_chromium.h"
+#include "mojo/public/cpp/application/interface_factory_impl.h"
+#include "mojo/services/native_viewport/gpu_impl.h"
+#include "mojo/services/native_viewport/native_viewport_impl.h"
+#include "ui/gl/gl_share_group.h"
+#include "ui/gl/gl_surface.h"
+
+namespace mojo {
+
+class NativeViewportAppDelegate : public ApplicationDelegate,
+                                  public InterfaceFactory<NativeViewport>,
+                                  public InterfaceFactory<Gpu> {
+ public:
+  NativeViewportAppDelegate()
+      : share_group_(new gfx::GLShareGroup),
+        mailbox_manager_(new gpu::gles2::MailboxManager) {}
+  virtual ~NativeViewportAppDelegate() {}
+
+ private:
+  // ApplicationDelegate implementation.
+  virtual void Initialize(ApplicationImpl* application) OVERRIDE {
+    app_ = application;
+#if !defined(COMPONENT_BUILD)
+    gfx::GLSurface::InitializeOneOff();
+#endif
+  }
+
+  virtual bool ConfigureIncomingConnection(
+      mojo::ApplicationConnection* connection) OVERRIDE {
+    connection->AddService<NativeViewport>(this);
+    connection->AddService<Gpu>(this);
+    return true;
+  }
+
+  // InterfaceFactory<NativeViewport> implementation.
+  virtual void Create(ApplicationConnection* connection,
+                      InterfaceRequest<NativeViewport> request) OVERRIDE {
+    BindToRequest(new NativeViewportImpl(app_), &request);
+  }
+
+  // InterfaceFactory<Gpu> implementation.
+  virtual void Create(ApplicationConnection* connection,
+                      InterfaceRequest<Gpu> request) OVERRIDE {
+    BindToRequest(new GpuImpl(share_group_.get(), mailbox_manager_.get()),
+                  &request);
+  }
+
+  ApplicationImpl* app_;
+  scoped_refptr<gfx::GLShareGroup> share_group_;
+  scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
+  DISALLOW_COPY_AND_ASSIGN(NativeViewportAppDelegate);
+};
+}
+class NativeViewportAppDelegate : public mojo::ApplicationDelegate {
+ public:
+  virtual bool ConfigureIncomingConnection(
+      mojo::ApplicationConnection* connection) OVERRIDE {
+    connection->AddService(&native_viewport_factory_);
+    return true;
+  }
+
+ private:
+  mojo::InterfaceFactoryImpl<mojo::NativeViewportImpl> native_viewport_factory_;
+};
+
+MojoResult MojoMain(MojoHandle shell_handle) {
+  mojo::ApplicationRunnerChromium runner(new mojo::NativeViewportAppDelegate);
+  runner.set_message_loop_type(base::MessageLoop::TYPE_UI);
+  return runner.Run(shell_handle);
+}