On Windows, create a new TransportDIB::Handle struct which includes the file

chrome/browser/renderer_host/backing_store_win.h

Index: chrome/browser/renderer_host/backing_store_win.h
diff --git a/chrome/browser/renderer_host/backing_store_win.h b/chrome/browser/renderer_host/backing_store_win.h
index 221e0aa1913bfdff904a575aa8261e7d2309bf17..a99c8351d0397992cd43253e78063efd90a570a6 100644
--- a/chrome/browser/renderer_host/backing_store_win.h
+++ b/chrome/browser/renderer_host/backing_store_win.h
@@ -24,7 +24,8 @@ class BackingStoreWin : public BackingStore {
   // BackingStore implementation.
   virtual size_t MemorySize();
   virtual void PaintToBackingStore(RenderProcessHost* process,
-                                   TransportDIB::Id bitmap,
+                                   TransportDIB::Id dib_id,
+                                   TransportDIB::Handle dib_handle,
                                    const gfx::Rect& bitmap_rect,
                                    const std::vector<gfx::Rect>& copy_rects,
                                    bool* painted_synchronously);