Turn off computation of the interest rect in cc in synchronized paint mode.

cc/trees/layer_tree_host_unittest_damage.cc

 // Copyright 2012 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 "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/time/time.h"
@@ skipping 15 matching lines @@
 class LayerTreeHostDamageTestSetNeedsRedraw
     : public LayerTreeHostDamageTest {
   void SetupTree() override {
     // Viewport is 10x10.
     scoped_refptr<FakePictureLayer> root =
         FakePictureLayer::Create(layer_settings(), &client_);
     root->SetBounds(gfx::Size(10, 10));
 
     layer_tree_host()->SetRootLayer(root);
     LayerTreeHostDamageTest::SetupTree();
+    client_.set_bounds(root->bounds());
   }
 
   void BeginTest() override {
     draw_count_ = 0;
     PostSetNeedsCommitToMainThread();
   }
 
   void DidCommitAndDrawFrame() override {
     switch (layer_tree_host()->source_frame_number()) {
       case 1:
@@ skipping 42 matching lines @@
 class LayerTreeHostDamageTestSetViewportSize
     : public LayerTreeHostDamageTest {
   void SetupTree() override {
     // Viewport is 10x10.
     scoped_refptr<FakePictureLayer> root =
         FakePictureLayer::Create(layer_settings(), &client_);
     root->SetBounds(gfx::Size(10, 10));
 
     layer_tree_host()->SetRootLayer(root);
     LayerTreeHostDamageTest::SetupTree();
+    client_.set_bounds(root->bounds());
   }
 
   void BeginTest() override {
     draw_count_ = 0;
     PostSetNeedsCommitToMainThread();
   }
 
   void DidCommitAndDrawFrame() override {
     switch (layer_tree_host()->source_frame_number()) {
       case 1:
@@ skipping 52 matching lines @@
         FakePictureLayer::Create(layer_settings(), &client_);
     root->SetBounds(gfx::Size(10, 10));
 
     // Most of the layer isn't visible.
     content_ = FakePictureLayer::Create(layer_settings(), &client_);
     content_->SetBounds(gfx::Size(2000, 100));
     root->AddChild(content_);
 
     layer_tree_host()->SetRootLayer(root);
     LayerTreeHostDamageTest::SetupTree();
+    client_.set_bounds(root->bounds());
   }
 
   DrawResult PrepareToDrawOnThread(LayerTreeHostImpl* host_impl,
                                    LayerTreeHostImpl::FrameData* frame_data,
                                    DrawResult draw_result) override {
     EXPECT_EQ(DRAW_SUCCESS, draw_result);
 
     int source_frame = host_impl->active_tree()->source_frame_number();
     switch (source_frame) {
       case 0:
@@ skipping 64 matching lines @@
     root_ = FakePictureLayer::Create(layer_settings(), &client_);
     child_ = FakePictureLayer::Create(layer_settings(), &client_);
 
     root_->SetBounds(gfx::Size(500, 500));
     child_->SetPosition(gfx::PointF(100.f, 100.f));
     child_->SetBounds(gfx::Size(30, 30));
 
     root_->AddChild(child_);
     layer_tree_host()->SetRootLayer(root_);
     LayerTreeHostDamageTest::SetupTree();
+    client_.set_bounds(root_->bounds());
   }
 
   DrawResult PrepareToDrawOnThread(LayerTreeHostImpl* host_impl,
                                    LayerTreeHostImpl::FrameData* frame_data,
                                    DrawResult draw_result) override {
     EXPECT_EQ(DRAW_SUCCESS, draw_result);
 
     RenderSurfaceImpl* root_surface =
         host_impl->active_tree()->root_layer()->render_surface();
     gfx::Rect root_damage =
@@ skipping 92 matching lines @@
     scrollbar_layer->ToScrollbarLayer()->SetScrollLayer(content_layer->id());
     root_layer->AddChild(scrollbar_layer);
 
     gfx::RectF content_rect(content_layer->position(),
                             gfx::SizeF(content_layer->bounds()));
     gfx::RectF scrollbar_rect(scrollbar_layer->position(),
                               gfx::SizeF(scrollbar_layer->bounds()));
     EXPECT_FALSE(content_rect.Intersects(scrollbar_rect));
 
     LayerTreeHostDamageTest::SetupTree();
+    client_.set_bounds(root_layer->bounds());
   }
 
  private:
   FakeContentLayerClient client_;
 };
 
 class LayerTreeHostDamageTestScrollbarDoesDamage
     : public LayerTreeHostScrollbarDamageTest {
   void BeginTest() override {
     did_swaps_ = 0;
@@ skipping 152 matching lines @@
 
   void AfterTest() override { EXPECT_EQ(3, did_swaps_); }
 
   int did_swaps_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostDamageTestScrollbarCommitDoesNoDamage);
 
 }  // namespace
 }  // namespace cc