Revert 289480 "Still produce quad when tile OOM and on demand ra..."

trunk/src/cc/layers/picture_layer_impl.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/layers/picture_layer_impl.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/debug/trace_event_argument.h"
@@ skipping 263 matching lines @@
        ++iter) {
     gfx::Rect geometry_rect = iter.geometry_rect();
     gfx::Rect visible_geometry_rect = occlusion_tracker.UnoccludedContentRect(
         geometry_rect, scaled_draw_transform);
     if (visible_geometry_rect.IsEmpty())
       continue;
 
     append_quads_data->visible_content_area +=
         visible_geometry_rect.width() * visible_geometry_rect.height();
 
-    bool has_draw_quad = false;
     if (*iter && iter->IsReadyToDraw()) {
       const ManagedTileState::TileVersion& tile_version =
           iter->GetTileVersionForDrawing();
       switch (tile_version.mode()) {
         case ManagedTileState::TileVersion::RESOURCE_MODE: {
           gfx::RectF texture_rect = iter.texture_rect();
           gfx::Rect opaque_rect = iter->opaque_rect();
           opaque_rect.Intersect(geometry_rect);
 
           if (iter->contents_scale() != ideal_contents_scale_)
             append_quads_data->num_incomplete_tiles++;
 
           TileDrawQuad* quad =
               render_pass->CreateAndAppendDrawQuad<TileDrawQuad>();
           quad->SetNew(shared_quad_state,
                        geometry_rect,
                        opaque_rect,
                        visible_geometry_rect,
                        tile_version.get_resource_id(),
                        texture_rect,
                        iter.texture_size(),
                        tile_version.contents_swizzled());
-          has_draw_quad = true;
           break;
         }
         case ManagedTileState::TileVersion::PICTURE_PILE_MODE: {
           if (!layer_tree_impl()
                    ->GetRendererCapabilities()
                    .allow_rasterize_on_demand) {
             ++on_demand_missing_tile_count;
             break;
           }
 
@@ skipping 10 matching lines @@
           quad->SetNew(shared_quad_state,
                        geometry_rect,
                        opaque_rect,
                        visible_geometry_rect,
                        texture_rect,
                        iter.texture_size(),
                        format,
                        iter->content_rect(),
                        iter->contents_scale(),
                        pile_);
-          has_draw_quad = true;
           break;
         }
         case ManagedTileState::TileVersion::SOLID_COLOR_MODE: {
           SolidColorDrawQuad* quad =
               render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
           quad->SetNew(shared_quad_state,
                        geometry_rect,
                        visible_geometry_rect,
                        tile_version.get_solid_color(),
                        false);
-          has_draw_quad = true;
           break;
         }
       }
-    }
-
-    if (!has_draw_quad) {
+    } else {
       if (draw_checkerboard_for_missing_tiles()) {
         CheckerboardDrawQuad* quad =
             render_pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
         SkColor color = DebugColors::DefaultCheckerboardColor();
         quad->SetNew(
             shared_quad_state, geometry_rect, visible_geometry_rect, color);
       } else {
         SkColor color = SafeOpaqueBackgroundColor();
         SolidColorDrawQuad* quad =
             render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
@@ skipping 1329 matching lines @@
       PictureLayerTilingSet::TilingRange tiling_range = CurrentTilingRange();
       size_t current_tiling_range_offset = current_tiling_ - tiling_range.start;
       return tiling_range.end - 1 - current_tiling_range_offset;
     }
   }
   NOTREACHED();
   return 0;
 }
 
 }  // namespace cc