Make RenderViewImpl::OnForceRedraw more robust

cc/trees/layer_tree_host_impl_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_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
@@ skipping 8369 matching lines @@
                            int* forward_to_main_count)
       : SwapPromiseMonitor(layer_tree_host, layer_tree_host_impl),
         set_needs_commit_count_(set_needs_commit_count),
         set_needs_redraw_count_(set_needs_redraw_count),
         forward_to_main_count_(forward_to_main_count) {}
 
   ~SimpleSwapPromiseMonitor() override {}
 
   void OnSetNeedsCommitOnMain() override { (*set_needs_commit_count_)++; }
 
+  void OnSetNeedsForcedRedrawOnMain() override {}
+
   void OnSetNeedsRedrawOnImpl() override { (*set_needs_redraw_count_)++; }
 
   void OnForwardScrollUpdateToMainThreadOnImpl() override {
     (*forward_to_main_count_)++;
   }
 
  private:
   int* set_needs_commit_count_;
   int* set_needs_redraw_count_;
   int* forward_to_main_count_;
@@ skipping 2454 matching lines @@
   EXPECT_TRUE(host_impl_->use_gpu_rasterization());
 
   // Re-initialize with a software output surface.
   output_surface_ = FakeOutputSurface::CreateDelegatingSoftware();
   host_impl_->InitializeRenderer(output_surface_.get());
   EXPECT_FALSE(host_impl_->use_gpu_rasterization());
 }
 
 }  // namespace
 }  // namespace cc