Devtools/CC: Remove continuous repainting feature

cc/layers/heads_up_display_layer_impl.cc

Index: cc/layers/heads_up_display_layer_impl.cc
diff --git a/cc/layers/heads_up_display_layer_impl.cc b/cc/layers/heads_up_display_layer_impl.cc
index ad3522e3e62036927e6b02e4ac1ff72f72191b4a..59257b45efb3451c7fa8461bdeea89a7426b0ce1 100644
--- a/cc/layers/heads_up_display_layer_impl.cc
+++ b/cc/layers/heads_up_display_layer_impl.cc
@@ -245,20 +245,6 @@ void HeadsUpDisplayLayerImpl::UpdateHudContents() {
       fps_counter->GetMinAndMaxFPS(&fps_graph_.min, &fps_graph_.max);
     }
 
-    if (debug_state.continuous_painting) {
-      PaintTimeCounter* paint_time_counter =
-          layer_tree_impl()->paint_time_counter();
-      base::TimeDelta latest, min, max;
-
-      if (paint_time_counter->End())
-        latest = **paint_time_counter->End();
-      paint_time_counter->GetMinAndMaxPaintTime(&min, &max);
-
-      paint_time_graph_.value = latest.InMillisecondsF();
-      paint_time_graph_.min = min.InMillisecondsF();
-      paint_time_graph_.max = max.InMillisecondsF();
-    }
-
     if (debug_state.ShowMemoryStats()) {
       MemoryHistory* memory_history = layer_tree_impl()->memory_history();
       if (memory_history->End())
@@ -283,17 +269,14 @@ void HeadsUpDisplayLayerImpl::DrawHudContents(SkCanvas* canvas) {
   }
 
   SkRect area = SkRect::MakeEmpty();
-  if (debug_state.continuous_painting) {
-    area = DrawPaintTimeDisplay(
-        canvas, layer_tree_impl()->paint_time_counter(), 0, 0);
-  } else if (debug_state.show_fps_counter) {
+  if (debug_state.show_fps_counter) {

[danakj, 2015/08/21 18:56:09]

you can just early out if !show_fps_counter and don't need to have these two if
statements and the MakeEmpty()?

[samli, 2015/08/26 21:08:24]

Done.

     // Don't show the FPS display when continuous painting is enabled, because

[danakj, 2015/08/21 18:56:09]

This comment should go

[samli, 2015/08/26 21:08:24]

Done.

     // it would show misleading numbers.
     area =
         DrawFPSDisplay(canvas, layer_tree_impl()->frame_rate_counter(), 0, 0);
   }
 
-  if (debug_state.show_fps_counter || debug_state.continuous_painting) {
+  if (debug_state.show_fps_counter) {
     area = DrawGpuRasterizationStatus(canvas, 0, area.bottom(),
                                       SkMaxScalar(area.width(), 150));
   }