Update mojo sdk to rev cc531b32182099a5a034a99daff35ed5d38a61c8

mojo/services/view_manager/public/cpp/view_manager.h

 // 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.
 
 #ifndef MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_MANAGER_H_
 #define MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_MANAGER_H_
 
 #include <string>
 
 #include "mojo/services/view_manager/public/cpp/types.h"
 
 namespace mojo {
 class View;
 
-// Encapsulates a connection to the view manager service.
-// A unique connection is made for every unique embed path for an app. e.g. for
-// app B embed by the following paths: A->B, A->C->B - there are two connections
-// and thus two instances of this class.
+// Encapsulates a connection to the view manager service. A unique connection
+// is made every time an app is embedded.
 class ViewManager {
  public:
   // Returns the URL of the application that embedded this application.
   virtual const std::string& GetEmbedderURL() const = 0;
 
   // Returns the root of this connection.
   virtual View* GetRoot() = 0;
 
   // Returns a View known to this connection.
   virtual View* GetViewById(Id id) = 0;
 
   // Returns the focused view; null if focus is not yet known or another app is
   // focused.
   virtual View* GetFocusedView() = 0;
 
+  // Creates and returns a new View (which is owned by the ViewManager). Views
+  // are initially hidden, use SetVisible(true) to show.
+  virtual View* CreateView() = 0;
+
  protected:
   virtual ~ViewManager() {}
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_MANAGER_H_