Hit test on the layer tree rather than the RSLL

cc/test/layer_tree_host_common_test.cc

Index: cc/test/layer_tree_host_common_test.cc
diff --git a/cc/test/layer_tree_host_common_test.cc b/cc/test/layer_tree_host_common_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..61dd401a8e77118955ead604b5038f9500a99c6e
--- /dev/null
+++ b/cc/test/layer_tree_host_common_test.cc
@@ -0,0 +1,113 @@
+// Copyright 2014 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/test/layer_tree_host_common_test.h"
+
+#include "cc/layers/layer.h"
+#include "cc/layers/layer_impl.h"
+#include "cc/trees/layer_tree_host_common.h"
+
+namespace cc {
+
+LayerTreeHostCommonTestBase::LayerTreeHostCommonTestBase()
+    : render_surface_layer_list_count_(0) {
+}
+
+LayerTreeHostCommonTestBase::~LayerTreeHostCommonTestBase() {
+}
+
+void LayerTreeHostCommonTestBase::SetLayerPropertiesForTesting(
+    Layer* layer,
+    const gfx::Transform& transform,
+    const gfx::PointF& anchor,
+    const gfx::PointF& position,
+    const gfx::Size& bounds,
+    bool flatten_transform,
+    bool is_3d_sorted) {
+  SetLayerPropertiesForTestingInternal<Layer>(layer,
+                                              transform,
+                                              anchor,
+                                              position,
+                                              bounds,
+                                              flatten_transform,
+                                              is_3d_sorted);
+}
+
+void LayerTreeHostCommonTestBase::SetLayerPropertiesForTesting(
+    LayerImpl* layer,
+    const gfx::Transform& transform,
+    const gfx::PointF& anchor,
+    const gfx::PointF& position,
+    const gfx::Size& bounds,
+    bool flatten_transform,
+    bool is_3d_sorted) {
+  SetLayerPropertiesForTestingInternal<LayerImpl>(layer,
+                                                  transform,
+                                                  anchor,
+                                                  position,
+                                                  bounds,
+                                                  flatten_transform,
+                                                  is_3d_sorted);
+  layer->SetContentBounds(bounds);
+}
+
+void LayerTreeHostCommonTestBase::ExecuteCalculateDrawProperties(
+    Layer* root_layer,
+    float device_scale_factor,
+    float page_scale_factor,
+    Layer* page_scale_application_layer,
+    bool can_use_lcd_text) {
+  EXPECT_TRUE(page_scale_application_layer || (page_scale_factor == 1.f));
+  gfx::Transform identity_matrix;
+  gfx::Size device_viewport_size =
+      gfx::Size(root_layer->bounds().width() * device_scale_factor,
+                root_layer->bounds().height() * device_scale_factor);
+
+  render_surface_layer_list_.reset(new RenderSurfaceLayerList);
+
+  // We are probably not testing what is intended if the root_layer bounds are
+  // empty.
+  DCHECK(!root_layer->bounds().IsEmpty());
+  LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting inputs(
+      root_layer, device_viewport_size, render_surface_layer_list_.get());
+  inputs.device_scale_factor = device_scale_factor;
+  inputs.page_scale_factor = page_scale_factor;
+  inputs.page_scale_application_layer = page_scale_application_layer;
+  inputs.can_use_lcd_text = can_use_lcd_text;
+  inputs.can_adjust_raster_scales = true;
+  LayerTreeHostCommon::CalculateDrawProperties(&inputs);
+}
+
+void LayerTreeHostCommonTestBase::ExecuteCalculateDrawProperties(
+    LayerImpl* root_layer,
+    float device_scale_factor,
+    float page_scale_factor,
+    LayerImpl* page_scale_application_layer,
+    bool can_use_lcd_text) {
+  gfx::Transform identity_matrix;
+  gfx::Size device_viewport_size =
+      gfx::Size(root_layer->bounds().width() * device_scale_factor,
+                root_layer->bounds().height() * device_scale_factor);
+
+  render_surface_layer_list_impl_.reset(new LayerImplList);
+
+  // We are probably not testing what is intended if the root_layer bounds are
+  // empty.
+  DCHECK(!root_layer->bounds().IsEmpty());
+  LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
+      root_layer, device_viewport_size, render_surface_layer_list_impl_.get());
+  inputs.device_scale_factor = device_scale_factor;
+  inputs.page_scale_factor = page_scale_factor;
+  inputs.page_scale_application_layer = page_scale_application_layer;
+  inputs.can_use_lcd_text = can_use_lcd_text;
+  inputs.can_adjust_raster_scales = true;
+
+  ++render_surface_layer_list_count_;
+  inputs.current_render_surface_layer_list_id =
+      render_surface_layer_list_count_;
+
+  LayerTreeHostCommon::CalculateDrawProperties(&inputs);
+}
+
+}  // namespace cc