compositor-worker: cc->blink mutation plumbing

blimp/client/compositor/blimp_compositor.cc

 // Copyright 2015 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 "blimp/client/compositor/blimp_compositor.h"
 
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/numerics/safe_conversions.h"
@@ skipping 131 matching lines @@
 
 void BlimpCompositor::UpdateLayerTreeHost() {}
 
 void BlimpCompositor::ApplyViewportDeltas(
     const gfx::Vector2dF& inner_delta,
     const gfx::Vector2dF& outer_delta,
     const gfx::Vector2dF& elastic_overscroll_delta,
     float page_scale,
     float top_controls_delta) {}
 
+void BlimpCompositor::ApplyMutations(const LayerTreeMutations& mutations) {}
+
 void BlimpCompositor::RequestNewOutputSurface() {
   output_surface_request_pending_ = true;
   HandlePendingOutputSurfaceRequest();
 }
 
 void BlimpCompositor::DidInitializeOutputSurface() {
 }
 
 void BlimpCompositor::DidFailToInitializeOutputSurface() {}
 
@@ skipping 152 matching lines @@
 }
 
 cc::LayerSettings BlimpCompositor::LayerSettings() {
   cc::LayerSettings settings;
   settings.use_compositor_animation_timelines = true;
   return settings;
 }
 
 }  // namespace client
 }  // namespace blimp