TabContents -> WebContentsImpl, part 19.

content/browser/host_zoom_map_impl.h

Index: content/browser/host_zoom_map_impl.h
diff --git a/content/browser/host_zoom_map_impl.h b/content/browser/host_zoom_map_impl.h
index a1ac9547a82d947987cce5d538b1cde8477d5dd3..ad190baaf2324873099c03dd1596ce750dbf13e6 100644
--- a/content/browser/host_zoom_map_impl.h
+++ b/content/browser/host_zoom_map_impl.h
@@ -36,15 +36,15 @@ class CONTENT_EXPORT HostZoomMapImpl
   virtual void SetDefaultZoomLevel(double level) OVERRIDE;
 
   // Returns the temporary zoom level that's only valid for the lifetime of
-  // the given tab (i.e. isn't saved and doesn't affect other tabs) if it
-  // exists, the default zoom level otherwise.
+  // the given WebContents (i.e. isn't saved and doesn't affect other
+  // WebContentses) if it exists, the default zoom level otherwise.
   //
   // This may be called on any thread.
   double GetTemporaryZoomLevel(int render_process_id,
                                int render_view_id) const;
 
   // Sets the temporary zoom level that's only valid for the lifetime of this
-  // tab.
+  // WebContents.
   //
   // This should only be called on the UI thread.
   void SetTemporaryZoomLevel(int render_process_id,