Renamed LayerChromium::opaque to LayerChromium::contentsOpaque. Having both opaque and opacity on t…

cc/TiledLayerChromium.cpp

Index: cc/TiledLayerChromium.cpp
diff --git a/cc/TiledLayerChromium.cpp b/cc/TiledLayerChromium.cpp
index 75bd57d9b6f960ef46ba3c3e29123e8516b29b55..059e9e0a71ba8940ca6fd8dfed6bcd2c5a0339c2 100644
--- a/cc/TiledLayerChromium.cpp
+++ b/cc/TiledLayerChromium.cpp
@@ -663,7 +663,7 @@ Region TiledLayerChromium::visibleContentOpaqueRegion() const
 {
     if (m_skipsDraw)
         return Region();
-    if (opaque())
+    if (contentsOpaque())
         return visibleContentRect();
     return m_tiler->opaqueRegionInContentRect(visibleContentRect());
 }