Re-land: cc: Use worker context for one-copy tile initialization.

content/browser/compositor/offscreen_browser_compositor_output_surface.cc

 // Copyright 2015 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 "content/browser/compositor/offscreen_browser_compositor_output_surface.h"
 
 #include "base/logging.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "cc/output/gl_frame_data.h"
@@ skipping 16 matching lines @@
 
 namespace content {
 
 OffscreenBrowserCompositorOutputSurface::
     OffscreenBrowserCompositorOutputSurface(
         const scoped_refptr<ContextProviderCommandBuffer>& context,
         const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
         scoped_ptr<BrowserCompositorOverlayCandidateValidator>
             overlay_candidate_validator)
     : BrowserCompositorOutputSurface(context,
+                                     nullptr,
                                      vsync_manager,
                                      overlay_candidate_validator.Pass()),
       fbo_(0),
       is_backbuffer_discarded_(false),
       weak_ptr_factory_(this) {
   capabilities_.max_frames_pending = 1;
   capabilities_.uses_default_gl_framebuffer = false;
 }
 
 OffscreenBrowserCompositorOutputSurface::
@@ skipping 96 matching lines @@
 #if defined(OS_MACOSX)
 
 bool OffscreenBrowserCompositorOutputSurface::
 SurfaceShouldNotShowFramesAfterSuspendForRecycle() const {
   return true;
 }
 
 #endif
 
 }  // namespace content