cc: Replace viewport/clip rect with a viewport size for DirectRenderer

cc/surfaces/display.cc

Index: cc/surfaces/display.cc
diff --git a/cc/surfaces/display.cc b/cc/surfaces/display.cc
index 24f521dcef01e519fc938e27797764269748f85c..55ee093056c0b232ef19e743392cff9f18986e04 100644
--- a/cc/surfaces/display.cc
+++ b/cc/surfaces/display.cc
@@ -289,9 +289,6 @@ bool Display::DrawAndSwap() {
   client_->DisplayWillDrawAndSwap(should_draw, frame_data->render_pass_list);
 
   if (should_draw) {
-    gfx::Rect device_viewport_rect(current_surface_size_);
-    gfx::Rect device_clip_rect(current_surface_size_);
-
     bool disable_image_filtering =
         frame.metadata.is_resourceless_software_draw_with_scroll_or_animation;
     if (software_renderer_) {
@@ -305,8 +302,7 @@ bool Display::DrawAndSwap() {
     renderer_->DecideRenderPassAllocationsForFrame(
         frame_data->render_pass_list);
     renderer_->DrawFrame(&frame_data->render_pass_list, device_scale_factor_,
-                         device_color_space_, device_viewport_rect,
-                         device_clip_rect);
+                         device_color_space_, current_surface_size_);
   } else {
     TRACE_EVENT_INSTANT0("cc", "Draw skipped.", TRACE_EVENT_SCOPE_THREAD);
   }