Deleted code associated with --enable-gpu-rendering and...

chrome/browser/renderer_host/backing_store_mac.mm

Index: chrome/browser/renderer_host/backing_store_mac.mm
===================================================================
--- chrome/browser/renderer_host/backing_store_mac.mm	(revision 65168)
+++ chrome/browser/renderer_host/backing_store_mac.mm	(working copy)
@@ -56,12 +56,7 @@
     RenderProcessHost* process,
     TransportDIB::Id bitmap,
     const gfx::Rect& bitmap_rect,
-    const std::vector<gfx::Rect>& copy_rects,
-    bool* painted_synchronously) {
-  // Our paints are always synchronous and the caller can free the TransportDIB,
-  // even on failure.
-  *painted_synchronously = true;
-
+    const std::vector<gfx::Rect>& copy_rects) {
   DCHECK_NE(static_cast<bool>(cg_layer()), static_cast<bool>(cg_bitmap()));
 
   TransportDIB* dib = process->GetTransportDIB(bitmap);