cc: switch to new WebLayerTreeViewClient API for requesting font atlas

cc/test/fake_layer_tree_host_client.cc

 // Copyright 2012 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 "cc/test/fake_layer_tree_host_client.h"
 
 namespace cc {
 
 scoped_ptr<WebKit::WebCompositorOutputSurface> FakeLayerImplTreeHostClient::createOutputSurface()
 {
     WebKit::WebGraphicsContext3D::Attributes attrs;
     return WebKit::FakeWebCompositorOutputSurface::create(WebKit::CompositorFakeWebGraphicsContext3D::create(attrs).PassAs<WebKit::WebGraphicsContext3D>()).PassAs<WebKit::WebCompositorOutputSurface>();
 }
 
 scoped_ptr<InputHandler> FakeLayerImplTreeHostClient::createInputHandler()
 {
     return scoped_ptr<InputHandler>();
 }
 
+scoped_ptr<FontAtlas> FakeLayerImplTreeHostClient::createFontAtlas()
+{
+        return scoped_ptr<FontAtlas>();
 }
+
+}