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

cc/trees/layer_tree_host_pixeltest_readback.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/solid_color_layer.h"
 #include "cc/layers/texture_layer.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/copy_output_result.h"
@@ skipping 936 matching lines @@
 
   float device_scale_factor_;
   SolidColorContentLayerClient white_client_;
   SolidColorContentLayerClient green_client_;
   SolidColorContentLayerClient blue_client_;
 };
 
 TEST_F(LayerTreeHostReadbackDeviceScalePixelTest,
        ReadbackSubrect_Software) {
   scoped_refptr<ContentLayer> background = ContentLayer::Create(&white_client_);
-  background->SetAnchorPoint(gfx::PointF());
   background->SetBounds(gfx::Size(100, 100));
   background->SetIsDrawable(true);
 
   scoped_refptr<ContentLayer> green = ContentLayer::Create(&green_client_);
-  green->SetAnchorPoint(gfx::PointF());
   green->SetBounds(gfx::Size(100, 100));
   green->SetIsDrawable(true);
   background->AddChild(green);
 
   scoped_refptr<ContentLayer> blue = ContentLayer::Create(&blue_client_);
-  blue->SetAnchorPoint(gfx::PointF());
   blue->SetPosition(gfx::Point(50, 50));
   blue->SetBounds(gfx::Size(25, 25));
   blue->SetIsDrawable(true);
   green->AddChild(blue);
 
   // Grab the middle of the root layer.
   copy_subrect_ = gfx::Rect(25, 25, 50, 50);
   device_scale_factor_ = 2.f;
 
   this->impl_side_painting_ = false;
   RunPixelTest(SOFTWARE_WITH_DEFAULT,
                background,
                base::FilePath(FILE_PATH_LITERAL(
                    "green_small_with_blue_corner.png")));
 }
 
 TEST_F(LayerTreeHostReadbackDeviceScalePixelTest,
        ReadbackSubrect_GL) {
   scoped_refptr<ContentLayer> background = ContentLayer::Create(&white_client_);
-  background->SetAnchorPoint(gfx::PointF());
   background->SetBounds(gfx::Size(100, 100));
   background->SetIsDrawable(true);
 
   scoped_refptr<ContentLayer> green = ContentLayer::Create(&green_client_);
-  green->SetAnchorPoint(gfx::PointF());
   green->SetBounds(gfx::Size(100, 100));
   green->SetIsDrawable(true);
   background->AddChild(green);
 
   scoped_refptr<ContentLayer> blue = ContentLayer::Create(&blue_client_);
-  blue->SetAnchorPoint(gfx::PointF());
   blue->SetPosition(gfx::Point(50, 50));
   blue->SetBounds(gfx::Size(25, 25));
   blue->SetIsDrawable(true);
   green->AddChild(blue);
 
   // Grab the middle of the root layer.
   copy_subrect_ = gfx::Rect(25, 25, 50, 50);
   device_scale_factor_ = 2.f;
 
   this->impl_side_painting_ = false;
   RunPixelTest(GL_WITH_DEFAULT,
                background,
                base::FilePath(FILE_PATH_LITERAL(
                    "green_small_with_blue_corner.png")));
 }
 
 TEST_F(LayerTreeHostReadbackDeviceScalePixelTest,
        ReadbackNonRootLayerSubrect_Software) {
   scoped_refptr<ContentLayer> background = ContentLayer::Create(&white_client_);
-  background->SetAnchorPoint(gfx::PointF());
   background->SetBounds(gfx::Size(100, 100));
   background->SetIsDrawable(true);
 
   scoped_refptr<ContentLayer> green = ContentLayer::Create(&green_client_);
-  green->SetAnchorPoint(gfx::PointF());
   green->SetPosition(gfx::Point(10, 20));
   green->SetBounds(gfx::Size(90, 80));
   green->SetIsDrawable(true);
   background->AddChild(green);
 
   scoped_refptr<ContentLayer> blue = ContentLayer::Create(&blue_client_);
-  blue->SetAnchorPoint(gfx::PointF());
   blue->SetPosition(gfx::Point(50, 50));
   blue->SetBounds(gfx::Size(25, 25));
   blue->SetIsDrawable(true);
   green->AddChild(blue);
 
   // Grab the green layer's content with blue in the bottom right.
   copy_subrect_ = gfx::Rect(25, 25, 50, 50);
   device_scale_factor_ = 2.f;
 
   this->impl_side_painting_ = false;
   RunPixelTestWithReadbackTarget(SOFTWARE_WITH_DEFAULT,
                                  background,
                                  green.get(),
                                  base::FilePath(FILE_PATH_LITERAL(
                                      "green_small_with_blue_corner.png")));
 }
 
 TEST_F(LayerTreeHostReadbackDeviceScalePixelTest,
        ReadbackNonRootLayerSubrect_GL) {
   scoped_refptr<ContentLayer> background = ContentLayer::Create(&white_client_);
-  background->SetAnchorPoint(gfx::PointF());
   background->SetBounds(gfx::Size(100, 100));
   background->SetIsDrawable(true);
 
   scoped_refptr<ContentLayer> green = ContentLayer::Create(&green_client_);
-  green->SetAnchorPoint(gfx::PointF());
   green->SetPosition(gfx::Point(10, 20));
   green->SetBounds(gfx::Size(90, 80));
   green->SetIsDrawable(true);
   background->AddChild(green);
 
   scoped_refptr<ContentLayer> blue = ContentLayer::Create(&blue_client_);
-  blue->SetAnchorPoint(gfx::PointF());
   blue->SetPosition(gfx::Point(50, 50));
   blue->SetBounds(gfx::Size(25, 25));
   blue->SetIsDrawable(true);
   green->AddChild(blue);
 
   // Grab the green layer's content with blue in the bottom right.
   copy_subrect_ = gfx::Rect(25, 25, 50, 50);
   device_scale_factor_ = 2.f;
 
   this->impl_side_painting_ = false;
@@ skipping 23 matching lines @@
                                  background,
                                  green.get(),
                                  base::FilePath(FILE_PATH_LITERAL(
                                      "green_with_blue_corner.png")));
 }
 
 }  // namespace
 }  // namespace cc
 
 #endif  // OS_ANDROID