c:: Give the raster source to the PictureLayerTilings.

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 <cmath>
 #include <limits>
 #include <set>
@@ skipping 620 matching lines @@
   // To avoid an edge case after lost context where the tree is up to date but
   // the tilings have not been managed, request an update draw properties
   // to force tilings to get managed.
   layer_tree_impl()->set_needs_update_draw_properties();
 }
 
 skia::RefPtr<SkPicture> PictureLayerImpl::GetPicture() {
   return raster_source_->GetFlattenedPicture();
 }
 
-scoped_refptr<Tile> PictureLayerImpl::CreateTile(PictureLayerTiling* tiling,
-                                               const gfx::Rect& content_rect) {
-  DCHECK(!raster_source_->IsSolidColor());
-  if (!raster_source_->CoversRect(content_rect, tiling->contents_scale()))
-    return scoped_refptr<Tile>();
-
+scoped_refptr<Tile> PictureLayerImpl::CreateTile(
+    float contents_scale,
+    const gfx::Rect& content_rect) {
   int flags = 0;
 
   // We don't handle solid color masks, so we shouldn't bother analyzing those.
   // Otherwise, always analyze to maximize memory savings.
   if (!is_mask_)
     flags = Tile::USE_PICTURE_ANALYSIS;
 
   return layer_tree_impl()->tile_manager()->CreateTile(
-      raster_source_.get(), content_rect.size(), content_rect,
-      tiling->contents_scale(), id(), layer_tree_impl()->source_frame_number(),
-      flags);
+      raster_source_.get(), content_rect.size(), content_rect, contents_scale,
+      id(), layer_tree_impl()->source_frame_number(), flags);
 }
 
 const Region* PictureLayerImpl::GetPendingInvalidation() {
   if (layer_tree_impl()->IsPendingTree())
     return &invalidation_;
   if (layer_tree_impl()->IsRecycleTree())
     return nullptr;
   DCHECK(layer_tree_impl()->IsActiveTree());
   if (PictureLayerImpl* twin_layer = GetPendingOrActiveTwinLayer())
     return &twin_layer->invalidation_;
@@ skipping 143 matching lines @@
 
   nearest_neighbor_ = nearest_neighbor;
   NoteLayerPropertyChanged();
 }
 
 PictureLayerTiling* PictureLayerImpl::AddTiling(float contents_scale) {
   DCHECK(CanHaveTilings());
   DCHECK_GE(contents_scale, MinimumContentsScale());
   DCHECK_LE(contents_scale, MaximumContentsScale());
   DCHECK(raster_source_->HasRecordings());
-  return tilings_->AddTiling(contents_scale, raster_source_->GetSize());
+  return tilings_->AddTiling(contents_scale, raster_source_);
 }
 
 void PictureLayerImpl::RemoveAllTilings() {
   if (tilings_)
     tilings_->RemoveAllTilings();
   // If there are no tilings, then raster scales are no longer meaningful.
   ResetRasterScale();
 }
 
 void PictureLayerImpl::AddTilingsForRasterScale() {
@@ skipping 497 matching lines @@
 
 bool PictureLayerImpl::AllTilesRequiredForDrawAreReadyToDraw() const {
   if (!layer_tree_impl()->IsActiveTree())
     return true;
 
   return AllTilesRequiredAreReadyToDraw(
       &PictureLayerTiling::IsTileRequiredForDrawIfVisible);
 }
 
 }  // namespace cc