TabContents -> WebContentsImpl, part 19.

content/browser/renderer_host/backing_store_manager.cc

Index: content/browser/renderer_host/backing_store_manager.cc
diff --git a/content/browser/renderer_host/backing_store_manager.cc b/content/browser/renderer_host/backing_store_manager.cc
index 62832e88487d56bf2f1648340c7104f148c15da6..e3b4a03a46dcb65ce0e5618bfe35deb47673d95d 100644
--- a/content/browser/renderer_host/backing_store_manager.cc
+++ b/content/browser/renderer_host/backing_store_manager.cc
@@ -128,8 +128,8 @@ BackingStore* CreateBackingStore(RenderWidgetHost* host,
   if (current_mem + new_mem > max_mem) {
     // Need to remove old backing stores to make room for the new one. We
     // don't want to do this when the backing store is being replace by a new
-    // one for the same tab, but this case won't get called then: we'll have
-    // removed the old one in the RemoveBackingStore above, and the cache
+    // one for the same WebContents, but this case won't get called then: we'll
+    // have removed the old one in the RemoveBackingStore above, and the cache
     // won't be over-sized.
     CreateCacheSpace((current_mem + new_mem) - max_mem);
   }