cc: Rework overlays to not use the ResourceProvider and pass texture size

cc/blink/web_external_texture_layer_impl.cc

Index: cc/blink/web_external_texture_layer_impl.cc
diff --git a/cc/blink/web_external_texture_layer_impl.cc b/cc/blink/web_external_texture_layer_impl.cc
index 0b6bbdbfd3dcb3d58e3f265c36b339d14d291248..a9c132bcf5689e484e1b1d7045cdfd5c48ff5256 100644
--- a/cc/blink/web_external_texture_layer_impl.cc
+++ b/cc/blink/web_external_texture_layer_impl.cc
@@ -87,10 +87,10 @@ bool WebExternalTextureLayerImpl::PrepareTextureMailbox(
   if (bitmap) {
     *mailbox = cc::TextureMailbox(bitmap->shared_bitmap(), bitmap->size());
   } else {
-    *mailbox =
-        cc::TextureMailbox(name, GL_TEXTURE_2D, client_mailbox.syncPoint);
+    // TODO(achaulk): pass a valid size here if allowOverlay is set.
+    *mailbox = cc::TextureMailbox(name, GL_TEXTURE_2D, client_mailbox.syncPoint,
+                                  gfx::Size(), client_mailbox.allowOverlay);
   }
-  mailbox->set_allow_overlay(client_mailbox.allowOverlay);
   mailbox->set_nearest_neighbor(client_mailbox.nearestNeighbor);
 
   if (mailbox->IsValid()) {