cc: Remove ReflectedMainFrameState.

cc/trees/layer_tree_host_in_process.h

Index: cc/trees/layer_tree_host_in_process.h
diff --git a/cc/trees/layer_tree_host_in_process.h b/cc/trees/layer_tree_host_in_process.h
index 27fd5e9dcb00cf5e5fd30caadc893fc43b811216..dd7ecc26aa7cd8aa60066603f7176726d5d1d9de 100644
--- a/cc/trees/layer_tree_host_in_process.h
+++ b/cc/trees/layer_tree_host_in_process.h
@@ -54,10 +54,8 @@ class LayerTreeHostImplClient;
 class LayerTreeHostSingleThreadClient;
 class LayerTreeMutator;
 class MutatorHost;
-class PropertyTrees;
 class RenderingStatsInstrumentation;
 class TaskGraphRunner;
-struct ReflectedMainFrameState;
 struct RenderingStats;
 struct ScrollAndScaleSet;
 
@@ -159,13 +157,6 @@ class CC_EXPORT LayerTreeHostInProcess : public LayerTreeHost {
   void DidCompletePageScaleAnimation();
   void ApplyScrollAndScale(ScrollAndScaleSet* info);
 
-  void SetReflectedMainFrameState(
-      std::unique_ptr<ReflectedMainFrameState> reflected_main_frame_state);
-  const ReflectedMainFrameState* reflected_main_frame_state_for_testing()
-      const {
-    return reflected_main_frame_state_.get();
-  }
-
   LayerTreeHostClient* client() { return client_; }
 
   bool gpu_rasterization_histogram_recorded() const {
@@ -291,15 +282,6 @@ class CC_EXPORT LayerTreeHostInProcess : public LayerTreeHost {
   SurfaceSequenceGenerator surface_sequence_generator_;
   uint32_t num_consecutive_frames_suitable_for_gpu_ = 0;
 
-  // The state that was expected to be reflected from the main thread during
-  // BeginMainFrame, but could not be done. The client provides these deltas
-  // to use during the commit instead of applying them at that point because
-  // its necessary for these deltas to be applied *after* PropertyTrees are
-  // built/updated on the main thread.
-  // TODO(khushalsagar): Investigate removing this after SPV2, since then we
-  // should get these PropertyTrees directly from blink?
-  std::unique_ptr<ReflectedMainFrameState> reflected_main_frame_state_;
-
   scoped_refptr<base::SequencedTaskRunner> image_worker_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostInProcess);