Added the Vulkan Context Provider implementation.

content/renderer/android/synchronous_compositor_output_surface.cc

 // Copyright 2013 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/renderer/android/synchronous_compositor_output_surface.h"
 
 #include "base/auto_reset.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 52 matching lines @@
 SynchronousCompositorOutputSurface::SynchronousCompositorOutputSurface(
     const scoped_refptr<cc::ContextProvider>& context_provider,
     const scoped_refptr<cc::ContextProvider>& worker_context_provider,
     int routing_id,
     uint32_t output_surface_id,
     SynchronousCompositorRegistry* registry,
     scoped_refptr<FrameSwapMessageQueue> frame_swap_message_queue)
     : cc::OutputSurface(
           context_provider,
           worker_context_provider,
+          nullptr,
           std::unique_ptr<cc::SoftwareOutputDevice>(new SoftwareDevice(this))),
       routing_id_(routing_id),
       output_surface_id_(output_surface_id),
       registry_(registry),
       registered_(false),
       sync_client_(nullptr),
       current_sw_canvas_(nullptr),
       memory_policy_(0u),
       did_swap_(false),
       frame_swap_message_queue_(frame_swap_message_queue),
@@ skipping 181 matching lines @@
   std::unique_ptr<FrameSwapMessageQueue::SendMessageScope> send_message_scope =
       frame_swap_message_queue_->AcquireSendMessageScope();
   frame_swap_message_queue_->DrainMessages(messages);
 }
 
 bool SynchronousCompositorOutputSurface::CalledOnValidThread() const {
   return thread_checker_.CalledOnValidThread();
 }
 
 }  // namespace content