Mandoline UI Process: Update namespaces and file names

components/mus/test_server_view_delegate.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 "components/mus/test_server_view_delegate.h"
 #include "components/mus/server_view.h"
 
-namespace view_manager {
+namespace mus {
 
 TestServerViewDelegate::TestServerViewDelegate() : root_view_(nullptr) {}
 
 TestServerViewDelegate::~TestServerViewDelegate() {}
 
 scoped_ptr<cc::CompositorFrame>
 TestServerViewDelegate::UpdateViewTreeFromCompositorFrame(
     const mojo::CompositorFramePtr& input) {
   return scoped_ptr<cc::CompositorFrame>();
 }
 
-surfaces::SurfacesState* TestServerViewDelegate::GetSurfacesState() {
+SurfacesState* TestServerViewDelegate::GetSurfacesState() {
   return nullptr;
 }
 
 void TestServerViewDelegate::OnScheduleViewPaint(const ServerView* view) {}
 
 const ServerView* TestServerViewDelegate::GetRootView(
     const ServerView* view) const {
   return root_view_;
 }
 
-}  // namespace view_manager
+}  // namespace mus