Fix visibility on WebLayer

ui/gfx/compositor/layer.cc

 // Copyright (c) 2011 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 "ui/gfx/compositor/layer.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 168 matching lines @@
   }
   SetOpacityImmediately(opacity);
 }
 
 void Layer::SetVisible(bool visible) {
   if (visible_ == visible)
     return;
 
   bool was_drawn = IsDrawn();
   visible_ = visible;
+#if defined(USE_WEBKIT_COMPOSITOR)
+  // TODO(piman): Expose a visibility flag on WebLayer.
+  web_layer_.setOpacity(visible_ ? opacity_ : 0.f);
+#endif
   bool is_drawn = IsDrawn();
   if (was_drawn == is_drawn)
     return;
 
   if (!is_drawn)
     DropTextures();
   SetNeedsToRecomputeHole();
-#if defined(USE_WEBKIT_COMPOSITOR)
-  // TODO(piman): Expose a visibility flag on WebLayer.
-  web_layer_.setOpacity(visible_ ? opacity_ : 0.f);
-#endif
 }
 
 bool Layer::IsDrawn() const {
   const Layer* layer = this;
   while (layer && layer->visible_)
     layer = layer->parent_;
   return layer == NULL;
 }
 
 bool Layer::ShouldDraw() const {
@@ skipping 479 matching lines @@
 #else
     unsigned int texture_id = 0;
 #endif
     web_layer_.to<WebKit::WebExternalTextureLayer>().setTextureId(
         should_draw ? texture_id : 0);
   }
 }
 #endif
 
 }  // namespace ui