Revert 277964 "cc: In SyncFromActiveLayer, drop all tiles not in..."

trunk/src/cc/layers/picture_layer.cc

Index: trunk/src/cc/layers/picture_layer.cc
===================================================================
--- trunk/src/cc/layers/picture_layer.cc	(revision 277979)
+++ trunk/src/cc/layers/picture_layer.cc	(working copy)
@@ -121,22 +121,16 @@
     // the full page content must always be provided in the picture layer.
     visible_layer_rect = gfx::Rect(bounds());
   }
-
-  // UpdateAndExpandInvalidation will give us an invalidation that covers
-  // anything not explicitly recorded in this frame. We give this region
-  // to the impl side so that it drops tiles that may not have a recording
-  // for them.
   DCHECK(client_);
-  updated |=
-      pile_->UpdateAndExpandInvalidation(client_,
-                                         &pile_invalidation_,
-                                         SafeOpaqueBackgroundColor(),
-                                         contents_opaque(),
-                                         client_->FillsBoundsCompletely(),
-                                         visible_layer_rect,
-                                         update_source_frame_number_,
-                                         RecordingMode(),
-                                         rendering_stats_instrumentation());
+  updated |= pile_->Update(client_,
+                           SafeOpaqueBackgroundColor(),
+                           contents_opaque(),
+                           client_->FillsBoundsCompletely(),
+                           pile_invalidation_,
+                           visible_layer_rect,
+                           update_source_frame_number_,
+                           RecordingMode(),
+                           rendering_stats_instrumentation());
   last_updated_visible_content_rect_ = visible_content_rect();
 
   if (updated) {