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

chrome/browser/renderer_host/backing_store_win.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_win.h"
 
 #include "app/surface/transport_dib.h"
 #include "base/command_line.h"
 #include "chrome/browser/renderer_host/render_process_host.h"
 #include "chrome/browser/renderer_host/render_widget_host.h"
@@ skipping 98 matching lines @@
 }
 
 size_t BackingStoreWin::MemorySize() {
   return size().GetArea() * (color_depth_ / 8);
 }
 
 void BackingStoreWin::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 TransportDIB can be freed when
-  // we're done (even on error).
-  *painted_synchronously = true;
-
+    const std::vector<gfx::Rect>& copy_rects) {
   if (!backing_store_dib_) {
     backing_store_dib_ = CreateDIB(hdc_, size().width(),
                                    size().height(), color_depth_);
     if (!backing_store_dib_) {
       NOTREACHED();
       return;
     }
     original_bitmap_ = SelectObject(hdc_, backing_store_dib_);
   }
 
@@ skipping 36 matching lines @@
 
 void BackingStoreWin::ScrollBackingStore(int dx, int dy,
                                          const gfx::Rect& clip_rect,
                                          const gfx::Size& view_size) {
   RECT damaged_rect, r = clip_rect.ToRECT();
   ScrollDC(hdc_, dx, dy, NULL, &r, NULL, &damaged_rect);
 
   // TODO(darin): this doesn't work if dx and dy are both non-zero!
   DCHECK(dx == 0 || dy == 0);
 }