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

chrome/browser/renderer_host/backing_store_x.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/renderer_host/backing_store_x.h"
 
 #include <cairo-xlib.h>
 #include <gtk/gtk.h>
 #include <stdlib.h>
 #include <sys/ipc.h>
@@ skipping 142 matching lines @@
               copy_rect.y());                   // dest_y
   }
 
   XFreePixmap(display_, pixmap);
 }
 
 void BackingStoreX::PaintToBackingStore(
     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
-  // when we're done, even on error.
-  *painted_synchronously = true;
-
+    const std::vector<gfx::Rect>& copy_rects) {
   if (!display_)
     return;
 
   if (bitmap_rect.IsEmpty())
     return;
 
   const int width = bitmap_rect.width();
   const int height = bitmap_rect.height();
 
   if (width <= 0 || width > kMaxVideoLayerSize ||
@@ skipping 293 matching lines @@
   cairo_set_source(cr, pattern);
   cairo_pattern_destroy(pattern);
 
   cairo_identity_matrix(cr);
 
   cairo_rectangle(cr, rect.x(), rect.y(), rect.width(), rect.height());
   cairo_fill(cr);
   cairo_destroy(cr);
 }
 #endif