cc : Fix transform calculation bug while calculating clip rects

cc/trees/layer_tree_host_common_unittest.cc

Index: cc/trees/layer_tree_host_common_unittest.cc
diff --git a/cc/trees/layer_tree_host_common_unittest.cc b/cc/trees/layer_tree_host_common_unittest.cc
index 969398354c27a08fbe0a5efc614eac2302d1ede4..b443c2ca89a3b230a50ae556e200d63c5a1d773b 100644
--- a/cc/trees/layer_tree_host_common_unittest.cc
+++ b/cc/trees/layer_tree_host_common_unittest.cc
@@ -10131,6 +10131,9 @@ TEST_F(LayerTreeHostCommonTest, ClipParentDrawsIntoScaledRootSurface) {
   unclipped_desc_surface->test_properties()->force_render_surface = true;
   clip_child->SetBounds(gfx::Size(100, 100));
   clip_child->SetDrawsContent(true);
+  gfx::Transform translate;
+  translate.Translate(10, 10);
+  unclipped_desc_surface->test_properties()->transform = translate;
 
   clip_child->test_properties()->clip_parent = clip_parent;
   clip_parent->test_properties()->clip_children =
@@ -10139,13 +10142,13 @@ TEST_F(LayerTreeHostCommonTest, ClipParentDrawsIntoScaledRootSurface) {
 
   float device_scale_factor = 1.f;
   ExecuteCalculateDrawProperties(root, device_scale_factor);
-  EXPECT_EQ(gfx::Rect(20, 20), clip_child->clip_rect());
-  EXPECT_EQ(gfx::Rect(20, 20), clip_child->visible_layer_rect());
+  EXPECT_EQ(gfx::Rect(-10, -10, 20, 20), clip_child->clip_rect());
+  EXPECT_EQ(gfx::Rect(10, 10), clip_child->visible_layer_rect());
 
   device_scale_factor = 2.f;
   ExecuteCalculateDrawProperties(root, device_scale_factor);
-  EXPECT_EQ(gfx::Rect(40, 40), clip_child->clip_rect());
-  EXPECT_EQ(gfx::Rect(20, 20), clip_child->visible_layer_rect());
+  EXPECT_EQ(gfx::Rect(-20, -20, 40, 40), clip_child->clip_rect());
+  EXPECT_EQ(gfx::Rect(10, 10), clip_child->visible_layer_rect());
 }
 
 TEST_F(LayerTreeHostCommonTest, ClipChildVisibleRect) {