cc: Clean up RecordingSource API

cc/test/fake_picture_layer.h

 // 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.
 
 #ifndef CC_TEST_FAKE_PICTURE_LAYER_H_
 #define CC_TEST_FAKE_PICTURE_LAYER_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 24 matching lines @@
   void reset_push_properties_count() { push_properties_count_ = 0; }
 
   void set_always_update_resources(bool always_update_resources) {
     always_update_resources_ = always_update_resources;
   }
 
   bool Update() override;
 
   void PushPropertiesTo(LayerImpl* layer) override;
 
+  void SetRecordedViewport(const gfx::Rect& recorded_viewport) {
+    inputs_.recorded_viewport = recorded_viewport;
+  }
+
+  DisplayItemList* display_list() const { return inputs_.display_list.get(); }
+
  private:
   explicit FakePictureLayer(ContentLayerClient* client);
   FakePictureLayer(ContentLayerClient* client,
                    std::unique_ptr<RecordingSource> source);
   ~FakePictureLayer() override;
 
   int update_count_;
   size_t push_properties_count_;
   bool always_update_resources_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PICTURE_LAYER_H_