First cut at "content handling" support in Mojo.

mojo/services/view_manager/view_manager_unittest.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 <string>
 #include <vector>
 
 #include "base/at_exit.h"
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 362 matching lines @@
 // Used with ViewManagerService::Embed(). Creates a
 // TestViewManagerClientConnection, which creates and owns the ViewManagerProxy.
 class EmbedServiceLoader : public ServiceLoader,
                            ApplicationDelegate,
                            public InterfaceFactory<ViewManagerClient> {
  public:
   EmbedServiceLoader() {}
   virtual ~EmbedServiceLoader() {}
 
   // ServiceLoader implementation:
-  virtual void LoadService(ServiceManager* manager,
-                           const GURL& url,
-                           ScopedMessagePipeHandle shell_handle) OVERRIDE {
+  virtual void Load(ServiceManager* manager,
+                    const GURL& url,
+                    scoped_refptr<LoadCallbacks> callbacks) OVERRIDE {
+    ScopedMessagePipeHandle shell_handle = callbacks->RegisterApplication();
+    if (!shell_handle.is_valid())
+      return;
     scoped_ptr<ApplicationImpl> app(new ApplicationImpl(this,
                                                         shell_handle.Pass()));
     apps_.push_back(app.release());
   }
   virtual void OnServiceError(ServiceManager* manager,
                               const GURL& url) OVERRIDE {
   }
 
   // ApplicationDelegate implementation:
   virtual bool ConfigureIncomingConnection(ApplicationConnection* connection)
@@ skipping 1061 matching lines @@
 // that SetBounsdNodes/AddNode and the like don't result in messages to the
 // originating connection.
 
 // TODO(beng): Add tests for focus:
 // - focus between two nodes known to a connection
 // - focus between nodes unknown to one of the connections.
 // - focus between nodes unknown to either connection.
 
 }  // namespace service
 }  // namespace mojo