cc: Switch to Chromium DCHECKs and LOGs

cc/tiled_layer_impl.cc

Index: cc/tiled_layer_impl.cc
diff --git a/cc/tiled_layer_impl.cc b/cc/tiled_layer_impl.cc
index 84af8bc23b8e291eb59ecb880eadaf42aeda5c07..b91316843de3ef5d88bad6261a2eb6ab6033f4d7 100644
--- a/cc/tiled_layer_impl.cc
+++ b/cc/tiled_layer_impl.cc
@@ -73,9 +73,9 @@ CCTiledLayerImpl::~CCTiledLayerImpl()
 CCResourceProvider::ResourceId CCTiledLayerImpl::contentsResourceId() const
 {
     // This function is only valid for single texture layers, e.g. masks.
-    ASSERT(m_tiler);
-    ASSERT(m_tiler->numTilesX() == 1);
-    ASSERT(m_tiler->numTilesY() == 1);
+    CC_DCHECK(m_tiler);
+    CC_DCHECK(m_tiler->numTilesX() == 1);
+    CC_DCHECK(m_tiler->numTilesY() == 1);
 
     DrawableTile* tile = tileAt(0, 0);
     CCResourceProvider::ResourceId resourceId = tile ? tile->resourceId() : 0;