Fix blurry content after disabling dev tools emulation

cc/blimp/layer_tree_host_remote.h

 // Copyright 2016 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_BLIMP_LAYER_TREE_HOST_REMOTE_H_
 #define CC_BLIMP_LAYER_TREE_HOST_REMOTE_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "cc/base/cc_export.h"
@@ skipping 44 matching lines @@
   SwapPromiseManager* GetSwapPromiseManager() override;
   void SetHasGpuRasterizationTrigger(bool has_trigger) override;
   void SetVisible(bool visible) override;
   bool IsVisible() const override;
   void SetCompositorFrameSink(
       std::unique_ptr<CompositorFrameSink> compositor_frame_sink) override;
   std::unique_ptr<CompositorFrameSink> ReleaseCompositorFrameSink() override;
   void SetNeedsAnimate() override;
   void SetNeedsUpdateLayers() override;
   void SetNeedsCommit() override;
+  void SetNeedsRecalculateRasterScales() override;
   bool BeginMainFrameRequested() const override;
   bool CommitRequested() const override;
   void SetDeferCommits(bool defer_commits) override;
   void LayoutAndUpdateLayers() override;
   void Composite(base::TimeTicks frame_begin_time) override;
   void SetNeedsRedraw() override;
   void SetNeedsRedrawRect(const gfx::Rect& damage_rect) override;
   void SetNextCommitForcesRedraw() override;
   void NotifyInputThrottledUntilCommit() override;
   void UpdateTopControlsState(TopControlsState constraints,
@@ skipping 67 matching lines @@
   SurfaceSequenceGenerator surface_sequence_generator_;
 
   base::WeakPtr<InputHandler> input_handler_weak_ptr_;
 
   base::WeakPtrFactory<LayerTreeHostRemote> weak_factory_;
 };
 
 }  // namespace cc
 
 #endif  // CC_BLIMP_LAYER_TREE_HOST_REMOTE_H_