Accelerated filters should filter unpadded primitives.

cc/layers/render_surface_impl.cc

 // Copyright 2011 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/layers/render_surface_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 32 matching lines @@
 
 RenderSurfaceImpl::~RenderSurfaceImpl() {}
 
 gfx::RectF RenderSurfaceImpl::DrawableContentRect() const {
   gfx::RectF drawable_content_rect =
       MathUtil::MapClippedRect(draw_transform_, gfx::RectF(content_rect_));
   if (owning_layer_->has_replica()) {
     drawable_content_rect.Union(MathUtil::MapClippedRect(
         replica_draw_transform_, gfx::RectF(content_rect_)));
   }
+  if (!owning_layer_->filters().IsEmpty()) {
+    int left, top, right, bottom;
+    owning_layer_->filters().GetOutsets(&top, &right, &bottom, &left);
+    drawable_content_rect.Inset(-left, -top, -right, -bottom);
+  }
 
   // If the rect has a NaN coordinate, we return empty rect to avoid crashes in
   // functions (for example, gfx::ToEnclosedRect) that are called on this rect.
   if (std::isnan(drawable_content_rect.x()) ||
       std::isnan(drawable_content_rect.y()) ||
       std::isnan(drawable_content_rect.right()) ||
       std::isnan(drawable_content_rect.bottom()))
     return gfx::RectF();
 
   return drawable_content_rect;
@@ skipping 187 matching lines @@
   RenderPassDrawQuad* quad =
       render_pass->CreateAndAppendDrawQuad<RenderPassDrawQuad>();
   quad->SetNew(shared_quad_state, content_rect_, visible_layer_rect,
                render_pass_id, mask_resource_id, mask_uv_scale,
                mask_texture_size, owning_layer_->filters(),
                owning_layer_to_target_scale,
                owning_layer_->background_filters());
 }
 
 }  // namespace cc