[cc] Color evicted vs. invalidated checkerboard tiles differently

cc/TiledLayerChromium.cpp

Index: cc/TiledLayerChromium.cpp
diff --git a/cc/TiledLayerChromium.cpp b/cc/TiledLayerChromium.cpp
index 75bd57d9b6f960ef46ba3c3e29123e8516b29b55..4a28e8a8124c2e8ca8ca11412d16331630d629c6 100644
--- a/cc/TiledLayerChromium.cpp
+++ b/cc/TiledLayerChromium.cpp
@@ -215,13 +215,20 @@ void TiledLayerChromium::pushPropertiesTo(CCLayerImpl* layer)
         // FIXME: This should not ever be null.
         if (!tile)
             continue;
+
         tile->isInUseOnImpl = false;
+
         if (!tile->managedTexture()->haveBackingTexture()) {
+            // Evicted tiles get deleted from both layers
             invalidTiles.append(tile);
             continue;
         }
-        if (!tile->validForFrame)
+
+        if (!tile->validForFrame) {
+            // Invalidated tiles are set so they can get different debug colors.
+            tiledLayer->pushInvalidTile(i, j);
             continue;
+        }
 
         tiledLayer->pushTileProperties(i, j, tile->managedTexture()->resourceId(), tile->opaqueRect());
         tile->isInUseOnImpl = true;