Wires up view manager to an actual display

mojo/services/native_viewport/native_viewport_service.cc

 // Copyright 2013 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/services/native_viewport/native_viewport_service.h"
 
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 #include "mojo/public/cpp/bindings/allocation_scope.h"
@@ skipping 18 matching lines @@
 
 class NativeViewportImpl
     : public ServiceConnection<mojo::NativeViewport,
                                NativeViewportImpl,
                                shell::Context>,
       public NativeViewportDelegate {
  public:
   NativeViewportImpl()
       : widget_(gfx::kNullAcceleratedWidget),
         waiting_for_event_ack_(false) {}
-  virtual ~NativeViewportImpl() {}
+  virtual ~NativeViewportImpl() {
+    // Destroy the NativeViewport early on as it may call us back during
+    // destruction and we want to be in a known state.
+    native_viewport_.reset();
+  }
 
   virtual void Create(const Rect& bounds) OVERRIDE {
     native_viewport_ =
         services::NativeViewport::Create(context(), this);
     native_viewport_->Init(bounds);
     client()->OnCreated();
     OnBoundsChanged(bounds);
   }
 
   virtual void Show() OVERRIDE {
@@ skipping 137 matching lines @@
 MOJO_NATIVE_VIEWPORT_EXPORT mojo::Application*
     CreateNativeViewportService(mojo::shell::Context* context,
                                 mojo::ScopedShellHandle shell_handle) {
   mojo::Application* app = new mojo::Application(shell_handle.Pass());
   app->AddServiceConnector(
       new mojo::ServiceConnector<mojo::services::NativeViewportImpl,
                                  mojo::shell::Context>(context));
   return app;
 }