cc: Don't skip clip rect calculation for copy request layers

cc/trees/layer_tree_host_common_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_common.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 5813 matching lines @@
 
   LayerImpl* copy_surface = AddChild<LayerImpl>(copy_clip);
   SetLayerPropertiesForTesting(copy_surface, identity_matrix, gfx::Point3F(),
                                gfx::PointF(45, 45), gfx::Size(20, 20), true,
                                false, true);
   copy_surface->SetDrawsContent(true);
 
   copy_layer->test_properties()->copy_requests.push_back(
       CopyOutputRequest::CreateRequest(base::Bind(&EmptyCopyOutputCallback)));
 
+  DCHECK(!copy_layer->test_properties()->copy_requests.empty());
   ExecuteCalculateDrawProperties(root);
+  DCHECK(copy_layer->test_properties()->copy_requests.empty());
 
   EXPECT_EQ(gfx::Rect(100, 100), copy_layer->visible_layer_rect());
   EXPECT_EQ(gfx::Rect(20, 20), copy_child->visible_layer_rect());
   EXPECT_EQ(gfx::Rect(15, 15), copy_clipped_child->visible_layer_rect());
   EXPECT_EQ(gfx::Rect(10, 10), copy_surface->visible_layer_rect());
 
   // Case 2: When the non root copy request layer is clipped.
   copy_layer->SetBounds(gfx::Size(50, 50));
   copy_layer->SetMasksToBounds(true);
+  copy_layer->test_properties()->copy_requests.push_back(
+      CopyOutputRequest::CreateRequest(base::Bind(&EmptyCopyOutputCallback)));
   root->layer_tree_impl()->property_trees()->needs_rebuild = true;
 
+  DCHECK(!copy_layer->test_properties()->copy_requests.empty());
   ExecuteCalculateDrawProperties(root);
+  DCHECK(copy_layer->test_properties()->copy_requests.empty());
 
   EXPECT_EQ(gfx::Rect(50, 50), copy_layer->visible_layer_rect());
   EXPECT_EQ(gfx::Rect(10, 10), copy_child->visible_layer_rect());
   EXPECT_EQ(gfx::Rect(10, 10), copy_clipped_child->visible_layer_rect());
   EXPECT_EQ(gfx::Rect(5, 5), copy_surface->visible_layer_rect());
 }
 
 TEST_F(LayerTreeHostCommonTest, VisibleContentRectInsideSurface) {
   LayerImpl* root = root_layer_for_testing();
   LayerImpl* surface = AddChild<LayerImpl>(root);
@@ skipping 4492 matching lines @@
   EXPECT_EQ(scroll_child6.id, grand_child10->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, parent3->scroll_tree_index());
   EXPECT_EQ(scroll_child7.id, child8->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, parent4->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, child9->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, grand_child12->scroll_tree_index());
 }
 
 }  // namespace
 }  // namespace cc