cc: Ensure that large damage doesn't register as "frame has no damage"

cc/trees/layer_tree_host_impl.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 <stdint.h>
 
 #include <algorithm>
@@ skipping 763 matching lines @@
 DrawResult LayerTreeHostImpl::CalculateRenderPasses(FrameData* frame) {
   DCHECK(frame->render_passes.empty());
   DCHECK(CanDraw());
   DCHECK(!active_tree_->LayerListIsEmpty());
 
   TrackDamageForAllSurfaces(*frame->render_surface_layer_list);
 
   // If the root render surface has no visible damage, then don't generate a
   // frame at all.
   RenderSurfaceImpl* root_surface = active_tree_->RootRenderSurface();
+  gfx::Rect damage_rect;
+  bool is_rect_valid =
+      root_surface->damage_tracker()->GetDamageRectIfValid(&damage_rect);
   bool root_surface_has_no_visible_damage =
-      !root_surface->damage_tracker()->current_damage_rect().Intersects(
-          root_surface->content_rect());
+      is_rect_valid && !damage_rect.Intersects(root_surface->content_rect());
   bool root_surface_has_contributing_layers =
       !root_surface->layer_list().empty();
   bool hud_wants_to_draw_ = active_tree_->hud_layer() &&
                             active_tree_->hud_layer()->IsAnimatingHUDContents();
   bool resources_must_be_resent =
       compositor_frame_sink_->capabilities().can_force_reclaim_resources;
   // When touch handle visibility changes there is no visible damage
   // because touch handles are composited in the browser. However we
   // still want the browser to be notified that the handles changed
   // through the |ViewHostMsg_SwapCompositorFrame| IPC so we keep
@@ skipping 3303 matching lines @@
       worker_context_visibility_ =
           worker_context->CacheController()->ClientBecameVisible();
     } else {
       worker_context->CacheController()->ClientBecameNotVisible(
           std::move(worker_context_visibility_));
     }
   }
 }
 
 }  // namespace cc