cc: Restore the space of interest area padding to be ideal contents space.

cc/tiles/picture_layer_tiling_set.cc

 // Copyright 2012 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/tiles/picture_layer_tiling_set.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <set>
@@ skipping 456 matching lines @@
 void PictureLayerTilingSet::UpdatePriorityRects(
     const gfx::Rect& visible_rect_in_layer_space,
     double current_frame_time_in_seconds,
     float ideal_contents_scale) {
   visible_rect_in_layer_space_ = gfx::Rect();
   eventually_rect_in_layer_space_ = gfx::Rect();
 
   // We keep things as floats in here.
   if (!visible_rect_in_layer_space.IsEmpty()) {
     gfx::RectF eventually_rectf(visible_rect_in_layer_space);
-    eventually_rectf.Inset(-tiling_interest_area_padding_,
-                           -tiling_interest_area_padding_);
+    eventually_rectf.Inset(
+        -tiling_interest_area_padding_ / ideal_contents_scale,
+        -tiling_interest_area_padding_ / ideal_contents_scale);
     if (eventually_rectf.Intersects(
             gfx::RectF(gfx::SizeF(raster_source_->GetSize())))) {
       visible_rect_in_layer_space_ = visible_rect_in_layer_space;
       eventually_rect_in_layer_space_ = gfx::ToEnclosingRect(eventually_rectf);
     }
   }
 
   skewport_in_layer_space_ =
       ComputeSkewport(visible_rect_in_layer_space_,
                       current_frame_time_in_seconds, ideal_contents_scale);
@@ skipping 258 matching lines @@
     case LOWER_THAN_LOW_RES:
       range = TilingRange(low_res_range.end, tilings_size);
       break;
   }
 
   DCHECK_LE(range.start, range.end);
   return range;
 }
 
 }  // namespace cc