Convert //cc from scoped_ptr to std::unique_ptr.

cc/trees/damage_tracker_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/damage_tracker.h"
 
 #include <stddef.h>
 
 #include "cc/base/math_util.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 71 matching lines @@
 
 class DamageTrackerTest : public testing::Test {
  public:
   DamageTrackerTest()
       : host_impl_(&task_runner_provider_,
                    &shared_bitmap_manager_,
                    &task_graph_runner_) {}
 
   LayerImpl* CreateTestTreeWithOneSurface() {
     host_impl_.active_tree()->ClearLayers();
-    scoped_ptr<LayerImpl> root =
-            LayerImpl::Create(host_impl_.active_tree(), 1);
-    scoped_ptr<LayerImpl> child =
-            LayerImpl::Create(host_impl_.active_tree(), 2);
+    std::unique_ptr<LayerImpl> root =
+        LayerImpl::Create(host_impl_.active_tree(), 1);
+    std::unique_ptr<LayerImpl> child =
+        LayerImpl::Create(host_impl_.active_tree(), 2);
 
     root->SetPosition(gfx::PointF());
     root->SetBounds(gfx::Size(500, 500));
     root->SetDrawsContent(true);
     root->SetForceRenderSurface(true);
 
     child->SetPosition(gfx::PointF(100.f, 100.f));
     child->SetBounds(gfx::Size(30, 30));
     child->SetDrawsContent(true);
     root->AddChild(std::move(child));
     host_impl_.active_tree()->SetRootLayer(std::move(root));
 
     return host_impl_.active_tree()->root_layer();
   }
 
   LayerImpl* CreateTestTreeWithTwoSurfaces() {
     // This test tree has two render surfaces: one for the root, and one for
     // child1. Additionally, the root has a second child layer, and child1 has
     // two children of its own.
 
     host_impl_.active_tree()->ClearLayers();
-    scoped_ptr<LayerImpl> root =
-            LayerImpl::Create(host_impl_.active_tree(), 1);
-    scoped_ptr<LayerImpl> child1 =
-            LayerImpl::Create(host_impl_.active_tree(), 2);
-    scoped_ptr<LayerImpl> child2 =
-            LayerImpl::Create(host_impl_.active_tree(), 3);
-    scoped_ptr<LayerImpl> grand_child1 =
-            LayerImpl::Create(host_impl_.active_tree(), 4);
-    scoped_ptr<LayerImpl> grand_child2 =
-            LayerImpl::Create(host_impl_.active_tree(), 5);
+    std::unique_ptr<LayerImpl> root =
+        LayerImpl::Create(host_impl_.active_tree(), 1);
+    std::unique_ptr<LayerImpl> child1 =
+        LayerImpl::Create(host_impl_.active_tree(), 2);
+    std::unique_ptr<LayerImpl> child2 =
+        LayerImpl::Create(host_impl_.active_tree(), 3);
+    std::unique_ptr<LayerImpl> grand_child1 =
+        LayerImpl::Create(host_impl_.active_tree(), 4);
+    std::unique_ptr<LayerImpl> grand_child2 =
+        LayerImpl::Create(host_impl_.active_tree(), 5);
 
     root->SetPosition(gfx::PointF());
     root->SetBounds(gfx::Size(500, 500));
     root->SetDrawsContent(true);
     root->SetForceRenderSurface(true);
 
     child1->SetPosition(gfx::PointF(100.f, 100.f));
     child1->SetBounds(gfx::Size(30, 30));
     // With a child that draws_content, opacity will cause the layer to create
     // its own RenderSurface. This layer does not draw, but is intended to
@@ skipping 608 matching lines @@
 }
 
 TEST_F(DamageTrackerTest, VerifyDamageForAddingAndRemovingLayer) {
   LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
   LayerImpl* child1 = root->children()[0];
 
   // CASE 1: Adding a new layer should cause the appropriate damage.
   //
   ClearDamageForAllSurfaces(root);
   {
-    scoped_ptr<LayerImpl> child2 =
-            LayerImpl::Create(host_impl_.active_tree(), 3);
+    std::unique_ptr<LayerImpl> child2 =
+        LayerImpl::Create(host_impl_.active_tree(), 3);
     child2->SetPosition(gfx::PointF(400.f, 380.f));
     child2->SetBounds(gfx::Size(6, 8));
     child2->SetDrawsContent(true);
     root->AddChild(std::move(child2));
   }
   root->layer_tree_impl()->property_trees()->needs_rebuild = true;
   EmulateDrawingOneFrame(root);
 
   // Sanity check - all 3 layers should be on the same render surface; render
   // surfaces are tested elsewhere.
@@ skipping 29 matching lines @@
 }
 
 TEST_F(DamageTrackerTest, VerifyDamageForNewUnchangedLayer) {
   // If child2 is added to the layer tree, but it doesn't have any explicit
   // damage of its own, it should still indeed damage the target surface.
 
   LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
 
   ClearDamageForAllSurfaces(root);
   {
-    scoped_ptr<LayerImpl> child2 =
-            LayerImpl::Create(host_impl_.active_tree(), 3);
+    std::unique_ptr<LayerImpl> child2 =
+        LayerImpl::Create(host_impl_.active_tree(), 3);
     child2->SetPosition(gfx::PointF(400.f, 380.f));
     child2->SetBounds(gfx::Size(6, 8));
     child2->SetDrawsContent(true);
     root->AddChild(std::move(child2));
     host_impl_.active_tree()->ResetAllChangeTracking(
         PropertyTrees::ResetFlags::ALL_TREES);
     LayerImpl* child2_ptr = host_impl_.active_tree()->LayerById(3);
     // Sanity check the initial conditions of the test, if these asserts
     // trigger, it means the test no longer actually covers the intended
     // scenario.
@@ skipping 13 matching lines @@
 }
 
 TEST_F(DamageTrackerTest, VerifyDamageForMultipleLayers) {
   LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
   LayerImpl* child1 = root->children()[0];
 
   // In this test we don't want the above tree manipulation to be considered
   // part of the same frame.
   ClearDamageForAllSurfaces(root);
   {
-    scoped_ptr<LayerImpl> child2 =
-            LayerImpl::Create(host_impl_.active_tree(), 3);
+    std::unique_ptr<LayerImpl> child2 =
+        LayerImpl::Create(host_impl_.active_tree(), 3);
     child2->SetPosition(gfx::PointF(400.f, 380.f));
     child2->SetBounds(gfx::Size(6, 8));
     child2->SetDrawsContent(true);
     root->AddChild(std::move(child2));
   }
   LayerImpl* child2 = root->children()[1];
   root->layer_tree_impl()->property_trees()->needs_rebuild = true;
   EmulateDrawingOneFrame(root);
 
   // Damaging two layers simultaneously should cause combined damage.
@@ skipping 246 matching lines @@
   LayerImpl* grand_child2 = child1->children()[1];
 
   // Damage on a surface that has a reflection should cause the target surface
   // to receive the surface's damage and the surface's reflected damage.
 
   // For this test case, we modify grand_child2, and add grand_child3 to extend
   // the bounds of child1's surface. This way, we can test reflection changes
   // without changing content_bounds of the surface.
   grand_child2->SetPosition(gfx::PointF(180.f, 180.f));
   {
-    scoped_ptr<LayerImpl> grand_child3 =
-            LayerImpl::Create(host_impl_.active_tree(), 6);
+    std::unique_ptr<LayerImpl> grand_child3 =
+        LayerImpl::Create(host_impl_.active_tree(), 6);
     grand_child3->SetPosition(gfx::PointF(240.f, 240.f));
     grand_child3->SetBounds(gfx::Size(10, 10));
     grand_child3->SetDrawsContent(true);
     child1->AddChild(std::move(grand_child3));
   }
   child1->SetOpacity(0.5f);
   root->layer_tree_impl()->property_trees()->needs_rebuild = true;
   EmulateDrawingOneFrame(root);
 
   // CASE 1: adding a reflection about the left edge of grand_child1.
   //
   ClearDamageForAllSurfaces(root);
   {
-    scoped_ptr<LayerImpl> grand_child1_replica =
-            LayerImpl::Create(host_impl_.active_tree(), 7);
+    std::unique_ptr<LayerImpl> grand_child1_replica =
+        LayerImpl::Create(host_impl_.active_tree(), 7);
     grand_child1_replica->SetPosition(gfx::PointF());
     gfx::Transform reflection;
     reflection.Scale3d(-1.0, 1.0, 1.0);
     grand_child1_replica->SetTransform(reflection);
     grand_child1->SetReplicaLayer(std::move(grand_child1_replica));
     grand_child1->SetForceRenderSurface(true);
   }
   root->layer_tree_impl()->property_trees()->needs_rebuild = true;
   EmulateDrawingOneFrame(root);
 
@@ skipping 69 matching lines @@
   LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
   LayerImpl* child = root->children()[0];
 
   // In the current implementation of the damage tracker, changes to mask
   // layers should damage the entire corresponding surface.
 
   ClearDamageForAllSurfaces(root);
 
   // Set up the mask layer.
   {
-    scoped_ptr<LayerImpl> mask_layer =
-            LayerImpl::Create(host_impl_.active_tree(), 3);
+    std::unique_ptr<LayerImpl> mask_layer =
+        LayerImpl::Create(host_impl_.active_tree(), 3);
     mask_layer->SetPosition(child->position());
     mask_layer->SetBounds(child->bounds());
     child->SetMaskLayer(std::move(mask_layer));
     child->SetForceRenderSurface(true);
   }
   LayerImpl* mask_layer = child->mask_layer();
 
   // Add opacity and a grand_child so that the render surface persists even
   // after we remove the mask.
   {
-    scoped_ptr<LayerImpl> grand_child =
-            LayerImpl::Create(host_impl_.active_tree(), 4);
+    std::unique_ptr<LayerImpl> grand_child =
+        LayerImpl::Create(host_impl_.active_tree(), 4);
     grand_child->SetPosition(gfx::PointF(2.f, 2.f));
     grand_child->SetBounds(gfx::Size(2, 2));
     grand_child->SetDrawsContent(true);
     child->AddChild(std::move(grand_child));
   }
   root->layer_tree_impl()->property_trees()->needs_rebuild = true;
   EmulateDrawingOneFrame(root);
 
   // CASE 1: the update_rect on a mask layer should damage the entire target
   //         surface.
@@ skipping 60 matching lines @@
   LayerImpl* child1 = root->children()[0];
   LayerImpl* grand_child1 = child1->children()[0];
 
   // Changes to a replica's mask should not damage the original surface,
   // because it is not masked. But it does damage the ancestor target surface.
 
   ClearDamageForAllSurfaces(root);
 
   // Create a reflection about the left edge of grand_child1.
   {
-    scoped_ptr<LayerImpl> grand_child1_replica =
-            LayerImpl::Create(host_impl_.active_tree(), 6);
+    std::unique_ptr<LayerImpl> grand_child1_replica =
+        LayerImpl::Create(host_impl_.active_tree(), 6);
     grand_child1_replica->SetPosition(gfx::PointF());
     gfx::Transform reflection;
     reflection.Scale3d(-1.0, 1.0, 1.0);
     grand_child1_replica->SetTransform(reflection);
     grand_child1->SetReplicaLayer(std::move(grand_child1_replica));
     grand_child1->SetForceRenderSurface(true);
   }
   LayerImpl* grand_child1_replica = grand_child1->replica_layer();
 
   // Set up the mask layer on the replica layer
   {
-    scoped_ptr<LayerImpl> replica_mask_layer =
-            LayerImpl::Create(host_impl_.active_tree(), 7);
+    std::unique_ptr<LayerImpl> replica_mask_layer =
+        LayerImpl::Create(host_impl_.active_tree(), 7);
     replica_mask_layer->SetPosition(gfx::PointF());
     replica_mask_layer->SetBounds(grand_child1->bounds());
     grand_child1_replica->SetMaskLayer(std::move(replica_mask_layer));
   }
   LayerImpl* replica_mask_layer = grand_child1_replica->mask_layer();
 
   root->layer_tree_impl()->property_trees()->needs_rebuild = true;
   EmulateDrawingOneFrame(root);
 
   // Sanity check that the appropriate render surfaces were created
@@ skipping 41 matching lines @@
   // replica_mask.
   ClearDamageForAllSurfaces(root);
 
   // This is not actually the transform origin point being tested, but by
   // convention its
   // expected to be the same as the replica's anchor point.
   grand_child1->SetTransformOrigin(
       gfx::Point3F(grand_child1->bounds().width(), 0.f, 0.f));
 
   {
-    scoped_ptr<LayerImpl> grand_child1_replica =
-            LayerImpl::Create(host_impl_.active_tree(), 6);
+    std::unique_ptr<LayerImpl> grand_child1_replica =
+        LayerImpl::Create(host_impl_.active_tree(), 6);
     grand_child1_replica->SetPosition(gfx::PointF());
 
     // This is the anchor being tested.
     grand_child1_replica->SetTransformOrigin(
         gfx::Point3F(grand_child1->bounds().width(), 0.f, 0.f));
     gfx::Transform reflection;
     reflection.Scale3d(-1.0, 1.0, 1.0);
     grand_child1_replica->SetTransform(reflection);
     // We need to set parent on replica layer for property tree building.
     grand_child1_replica->SetParent(grand_child1);
     grand_child1->SetReplicaLayer(std::move(grand_child1_replica));
     grand_child1->SetForceRenderSurface(true);
   }
   LayerImpl* grand_child1_replica = grand_child1->replica_layer();
 
   // Set up the mask layer on the replica layer
   {
-    scoped_ptr<LayerImpl> replica_mask_layer =
-            LayerImpl::Create(host_impl_.active_tree(), 7);
+    std::unique_ptr<LayerImpl> replica_mask_layer =
+        LayerImpl::Create(host_impl_.active_tree(), 7);
     replica_mask_layer->SetPosition(gfx::PointF());
     // Note: this is not the transform origin being tested.
     replica_mask_layer->SetBounds(grand_child1->bounds());
     grand_child1_replica->SetMaskLayer(std::move(replica_mask_layer));
   }
   LayerImpl* replica_mask_layer = grand_child1_replica->mask_layer();
 
   root->layer_tree_impl()->property_trees()->needs_rebuild = true;
   EmulateDrawingOneFrame(root);
 
@@ skipping 42 matching lines @@
   EmulateDrawingOneFrame(root);
   root_damage_rect =
       root->render_surface()->damage_tracker()->current_damage_rect();
   EXPECT_EQ(gfx::Rect(30, 31, 14, 15).ToString(), root_damage_rect.ToString());
 }
 
 TEST_F(DamageTrackerTest, VerifyDamageForEmptyLayerList) {
   // Though it should never happen, its a good idea to verify that the damage
   // tracker does not crash when it receives an empty layer_list.
 
-  scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl_.active_tree(), 1);
+  std::unique_ptr<LayerImpl> root =
+      LayerImpl::Create(host_impl_.active_tree(), 1);
   root->SetForceRenderSurface(true);
   host_impl_.active_tree()->SetRootLayer(std::move(root));
   LayerImpl* root_ptr = host_impl_.active_tree()->root_layer();
   root_ptr->layer_tree_impl()->property_trees()->needs_rebuild = true;
   EmulateDrawingOneFrame(root_ptr);
   root_ptr->draw_properties().render_target = root_ptr;
 
   ASSERT_EQ(root_ptr, root_ptr->render_target());
   RenderSurfaceImpl* target_surface = root_ptr->render_surface();
 
@@ skipping 80 matching lines @@
     gfx::Rect root_damage_rect =
         root->render_surface()->damage_tracker()->current_damage_rect();
     gfx::Rect damage_we_care_about = gfx::Rect(i, i);
     EXPECT_LE(damage_we_care_about.right(), root_damage_rect.right());
     EXPECT_LE(damage_we_care_about.bottom(), root_damage_rect.bottom());
   }
 }
 
 }  // namespace
 }  // namespace cc