Drop all uses of //base except ObserverList from view mgr client lib

mojo/services/view_manager/public/cpp/view_manager_context.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_CONTEXT_H_
 #define MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_MANAGER_CONTEXT_H_
 
 #include <string>
 #include <vector>
 
-#include "base/bind.h"
-#include "base/memory/scoped_ptr.h"
 #include "mojo/public/cpp/application/service_provider_impl.h"
+#include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 class ApplicationImpl;
 
 class ViewManagerContext {
  public:
   explicit ViewManagerContext(ApplicationImpl* application_impl);
   ~ViewManagerContext();
 
   // Embed an application @ |url| at an appropriate View.
   // The first time this method is called in the life time of the View Manager
   // service the "appropriate View" is defined as being the service' root View.
   // Subsequent times, the implementation of this method is delegated to the
   // application embedded at the service root View. This application will have a
   // specific definition of where within its View hierarchy to embed an
   // un-parented URL.
   // |services| encapsulates services offered by the embedder to the embedded
   // app alongside this Embed() call. |exposed_services| provides a means for
   // the embedder to connect to services exposed by the embedded app.
   void Embed(const String& url);
   void Embed(const String& url,
              InterfaceRequest<ServiceProvider> services,
              ServiceProviderPtr exposed_Services);
 
  private:
   class InternalState;
-  scoped_ptr<InternalState> state_;
+  InternalState* state_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(ViewManagerContext);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_MANAGER_CONTEXT_H_