Get rid of graphics layer anchor points, and replace with transform origin.

cc/trees/layer_tree_host_pixeltest_masks.cc

 // Copyright 2013 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 "build/build_config.h"
 #include "cc/layers/content_layer.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/image_layer.h"
 #include "cc/layers/solid_color_layer.h"
 #include "cc/test/layer_tree_pixel_test.h"
@@ skipping 89 matching lines @@
                background,
                base::FilePath(FILE_PATH_LITERAL("image_mask_of_layer.png")));
 }
 
 TEST_F(LayerTreeHostMasksPixelTest, MaskOfClippedLayer) {
   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
       gfx::Rect(200, 200), SK_ColorWHITE);
 
   // Clip to the top half of the green layer.
   scoped_refptr<Layer> clip = Layer::Create();
-  clip->SetAnchorPoint(gfx::PointF(0.f, 0.f));
   clip->SetPosition(gfx::Point(0, 0));
   clip->SetBounds(gfx::Size(200, 100));
   clip->SetMasksToBounds(true);
   background->AddChild(clip);
 
   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
       gfx::Rect(50, 50, 100, 100), kCSSGreen, 1, SK_ColorBLACK);
   clip->AddChild(green);
 
   MaskContentLayerClient client;
@@ skipping 21 matching lines @@
 
   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
       gfx::Rect(0, 0, 100, 100), kCSSGreen, 1, SK_ColorBLACK);
   background->AddChild(green);
   green->SetMaskLayer(mask.get());
 
   gfx::Transform replica_transform;
   replica_transform.Rotate(-90.0);
 
   scoped_refptr<Layer> replica = Layer::Create();
-  replica->SetAnchorPoint(gfx::PointF(0.5f, 0.5f));
+  replica->SetTransformOrigin(gfx::Point3F(50.f, 50.f, 0.f));
   replica->SetPosition(gfx::Point(100, 100));
   replica->SetTransform(replica_transform);
   green->SetReplicaLayer(replica.get());
 
   this->impl_side_painting_ = false;
   RunPixelTest(GL_WITH_BITMAP,
                background,
                base::FilePath(FILE_PATH_LITERAL("mask_with_replica.png")));
 }
 
 TEST_F(LayerTreeHostMasksPixelTest, MaskWithReplicaOfClippedLayer) {
   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
       gfx::Rect(200, 200), SK_ColorWHITE);
 
   MaskContentLayerClient client;
   scoped_refptr<ContentLayer> mask = ContentLayer::Create(&client);
   mask->SetBounds(gfx::Size(100, 100));
   mask->SetIsDrawable(true);
   mask->SetIsMask(true);
 
   // Clip to the bottom half of the green layer, and the left half of the
   // replica.
   scoped_refptr<Layer> clip = Layer::Create();
-  clip->SetAnchorPoint(gfx::PointF(0.f, 0.f));
   clip->SetPosition(gfx::Point(0, 50));
   clip->SetBounds(gfx::Size(150, 150));
   clip->SetMasksToBounds(true);
   background->AddChild(clip);
 
   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
       gfx::Rect(0, -50, 100, 100), kCSSGreen, 1, SK_ColorBLACK);
   clip->AddChild(green);
   green->SetMaskLayer(mask.get());
 
   gfx::Transform replica_transform;
   replica_transform.Rotate(-90.0);
 
   scoped_refptr<Layer> replica = Layer::Create();
-  replica->SetAnchorPoint(gfx::PointF(0.5f, 0.5f));
+  replica->SetTransformOrigin(gfx::Point3F(50.f, 50.f, 0.f));
   replica->SetPosition(gfx::Point(100, 100));
   replica->SetTransform(replica_transform);
   green->SetReplicaLayer(replica.get());
 
   this->impl_side_painting_ = false;
   RunPixelTest(GL_WITH_BITMAP,
                background,
                base::FilePath(FILE_PATH_LITERAL(
                    "mask_with_replica_of_clipped_layer.png")));
 }
@@ skipping 14 matching lines @@
 
   scoped_refptr<SolidColorLayer> orange = CreateSolidColorLayer(
       gfx::Rect(-50, 50, 50, 50), kCSSOrange);
   green->AddChild(orange);
 
   gfx::Transform replica_transform;
   replica_transform.Rotate(180.0);
   replica_transform.Translate(100.0, 0.0);
 
   scoped_refptr<Layer> replica = Layer::Create();
-  replica->SetAnchorPoint(gfx::PointF(1.f, 1.f));
+  replica->SetTransformOrigin(gfx::Point3F(100.f, 100.f, 0.f));
   replica->SetPosition(gfx::Point());
   replica->SetTransform(replica_transform);
   replica->SetMaskLayer(mask.get());
   green->SetReplicaLayer(replica.get());
 
   this->impl_side_painting_ = false;
   RunPixelTest(GL_WITH_BITMAP,
                background,
                base::FilePath(FILE_PATH_LITERAL("mask_of_replica.png")));
 }
 
 TEST_F(LayerTreeHostMasksPixelTest, MaskOfReplicaOfClippedLayer) {
   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
       gfx::Rect(200, 200), SK_ColorWHITE);
 
   MaskContentLayerClient client;
   scoped_refptr<ContentLayer> mask = ContentLayer::Create(&client);
   mask->SetBounds(gfx::Size(100, 100));
   mask->SetIsDrawable(true);
   mask->SetIsMask(true);
 
   // Clip to the bottom 3/4 of the green layer, and the top 3/4 of the replica.
   scoped_refptr<Layer> clip = Layer::Create();
-  clip->SetAnchorPoint(gfx::PointF(0.f, 0.f));
   clip->SetPosition(gfx::Point(0, 25));
   clip->SetBounds(gfx::Size(200, 150));
   clip->SetMasksToBounds(true);
   background->AddChild(clip);
 
   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
       gfx::Rect(50, -25, 100, 100), kCSSGreen, 1, SK_ColorBLACK);
   clip->AddChild(green);
 
   scoped_refptr<SolidColorLayer> orange = CreateSolidColorLayer(
       gfx::Rect(-50, 50, 50, 50), kCSSOrange);
   green->AddChild(orange);
 
   gfx::Transform replica_transform;
   replica_transform.Rotate(180.0);
   replica_transform.Translate(100.0, 0.0);
 
   scoped_refptr<Layer> replica = Layer::Create();
-  replica->SetAnchorPoint(gfx::PointF(1.f, 1.f));
+  replica->SetTransformOrigin(gfx::Point3F(100.f, 100.f, 0.f));
   replica->SetPosition(gfx::Point());
   replica->SetTransform(replica_transform);
   replica->SetMaskLayer(mask.get());
   green->SetReplicaLayer(replica.get());
 
   this->impl_side_painting_ = false;
   RunPixelTest(GL_WITH_BITMAP,
                background,
                base::FilePath(FILE_PATH_LITERAL(
                    "mask_of_replica_of_clipped_layer.png")));
 }
 
 }  // namespace
 }  // namespace cc
 
 #endif  // OS_ANDROID