Make RenderViewImpl::OnForceRedraw more robust

cc/trees/layer_tree_host_unittest.cc

 // Copyright 2011 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/trees/layer_tree_host.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 4782 matching lines @@
                            LayerTreeHostImpl* layer_tree_host_impl,
                            int* set_needs_commit_count,
                            int* set_needs_redraw_count)
       : SwapPromiseMonitor(layer_tree_host, layer_tree_host_impl),
         set_needs_commit_count_(set_needs_commit_count) {}
 
   ~SimpleSwapPromiseMonitor() override {}
 
   void OnSetNeedsCommitOnMain() override { (*set_needs_commit_count_)++; }
 
+  void OnSetNeedsForcedRedrawOnMain() override {}
+
   void OnSetNeedsRedrawOnImpl() override {
     ADD_FAILURE() << "Should not get called on main thread.";
   }
 
   void OnForwardScrollUpdateToMainThreadOnImpl() override {
     ADD_FAILURE() << "Should not get called on main thread.";
   }
 
  private:
   int* set_needs_commit_count_;
@@ skipping 2079 matching lines @@
  private:
   FakeContentLayerClient client_;
   const gfx::Size viewport_size_;
   const gfx::Size large_image_size_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(GpuRasterizationSucceedsWithLargeImage);
 
 }  // namespace
 }  // namespace cc