cc: Switch to Chromium DCHECKs and LOGs

cc/CCTiledLayerImpl.cpp

Index: cc/CCTiledLayerImpl.cpp
diff --git a/cc/CCTiledLayerImpl.cpp b/cc/CCTiledLayerImpl.cpp
index faa8ef87b9f699f4bfef7ee6de0687abec3be717..8d4c304b4f460f78f558d35eea59579ff70e7ade 100644
--- a/cc/CCTiledLayerImpl.cpp
+++ b/cc/CCTiledLayerImpl.cpp
@@ -75,9 +75,9 @@ 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);
+    DCHECK(m_tiler);
+    DCHECK(m_tiler->numTilesX() == 1);
+    DCHECK(m_tiler->numTilesY() == 1);
 
     DrawableTile* tile = tileAt(0, 0);
     CCResourceProvider::ResourceId resourceId = tile ? tile->resourceId() : 0;