Update from chromium a8e7c94b1b79a0948d05a1fcfff53391d22ce37a

cc/resources/picture_layer_tiling_set.cc

Index: cc/resources/picture_layer_tiling_set.cc
diff --git a/cc/resources/picture_layer_tiling_set.cc b/cc/resources/picture_layer_tiling_set.cc
index 1806ebc01c06b61ecdd318e2b7b1bdf793558c3b..96b47a66963e2cd6fbd985bd1a4ef6bd0d933975 100644
--- a/cc/resources/picture_layer_tiling_set.cc
+++ b/cc/resources/picture_layer_tiling_set.cc
@@ -19,12 +19,8 @@ class LargestToSmallestScaleFunctor {
 
 }  // namespace
 
-
-PictureLayerTilingSet::PictureLayerTilingSet(
-    PictureLayerTilingClient* client,
-    const gfx::Size& layer_bounds)
-    : client_(client),
-      layer_bounds_(layer_bounds) {
+PictureLayerTilingSet::PictureLayerTilingSet(PictureLayerTilingClient* client)
+    : client_(client) {
 }
 
 PictureLayerTilingSet::~PictureLayerTilingSet() {
@@ -47,7 +43,6 @@ bool PictureLayerTilingSet::SyncTilings(const PictureLayerTilingSet& other,
                                         float minimum_contents_scale) {
   if (new_layer_bounds.IsEmpty()) {
     RemoveAllTilings();
-    layer_bounds_ = new_layer_bounds;
     return false;
   }
 
@@ -99,17 +94,17 @@ bool PictureLayerTilingSet::SyncTilings(const PictureLayerTilingSet& other,
   }
   tilings_.sort(LargestToSmallestScaleFunctor());
 
-  layer_bounds_ = new_layer_bounds;
   return have_high_res_tiling;
 }
 
-PictureLayerTiling* PictureLayerTilingSet::AddTiling(float contents_scale) {
+PictureLayerTiling* PictureLayerTilingSet::AddTiling(
+    float contents_scale,
+    const gfx::Size& layer_bounds) {
   for (size_t i = 0; i < tilings_.size(); ++i)
     DCHECK_NE(tilings_[i]->contents_scale(), contents_scale);
 
-  tilings_.push_back(PictureLayerTiling::Create(contents_scale,
-                                                layer_bounds_,
-                                                client_));
+  tilings_.push_back(
+      PictureLayerTiling::Create(contents_scale, layer_bounds, client_));
   PictureLayerTiling* appended = tilings_.back();
 
   tilings_.sort(LargestToSmallestScaleFunctor());