cc: fix damage tracker rect with hidpi filters.

cc/trees/layer_tree_host_common.cc

Index: cc/trees/layer_tree_host_common.cc
diff --git a/cc/trees/layer_tree_host_common.cc b/cc/trees/layer_tree_host_common.cc
index 7024f3a0717c419dc43f318f11e4dd64d51a6f0c..6306cc247c2b06e809df14b9499d84015ab0c6ed 100644
--- a/cc/trees/layer_tree_host_common.cc
+++ b/cc/trees/layer_tree_host_common.cc
@@ -109,11 +109,12 @@ LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting::
     CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer,
                                       const gfx::Size& device_viewport_size,
                                       const gfx::Transform& device_transform,
+                                      float device_scale_factor,
                                       LayerImplList* render_surface_layer_list)
     : CalcDrawPropsImplInputs(root_layer,
                               device_viewport_size,
                               device_transform,
-                              1.f,
+                              device_scale_factor,
                               1.f,
                               NULL,
                               NULL,
@@ -134,10 +135,33 @@ LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting::
 LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting::
     CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer,
                                       const gfx::Size& device_viewport_size,
+                                      const gfx::Transform& device_transform,
+                                      LayerImplList* render_surface_layer_list)
+    : CalcDrawPropsImplInputsForTesting(root_layer,
+                                        device_viewport_size,
+                                        device_transform,
+                                        1.f,
+                                        render_surface_layer_list) {}
+
+LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting::
+    CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer,
+                                      const gfx::Size& device_viewport_size,
+                                      LayerImplList* render_surface_layer_list)
+    : CalcDrawPropsImplInputsForTesting(root_layer,
+                                        device_viewport_size,
+                                        gfx::Transform(),
+                                        1.f,
+                                        render_surface_layer_list) {}
+
+LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting::
+    CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer,
+                                      const gfx::Size& device_viewport_size,
+                                      float device_scale_factor,
                                       LayerImplList* render_surface_layer_list)
     : CalcDrawPropsImplInputsForTesting(root_layer,
                                         device_viewport_size,
                                         gfx::Transform(),
+                                        device_scale_factor,
                                         render_surface_layer_list) {}
 
 LayerTreeHostCommon::ScrollUpdateInfo::ScrollUpdateInfo()