gpu: Use mojom API for recording log messages to the host.

services/ui/gpu/gpu_service.h

 // Copyright 2016 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.
 
 #ifndef SERVICES_UI_GPU_GPU_SERVICE_H_
 #define SERVICES_UI_GPU_GPU_SERVICE_H_
 
 #include "base/callback.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/non_thread_safe.h"
@@ skipping 64 matching lines @@
     return gpu_feature_info_;
   }
 
   void set_in_host_process(bool in_host_process) {
     in_host_process_ = in_host_process;
   }
 
  private:
   friend class GpuMain;
 
+  void RecordLogMessage(scoped_refptr<base::SingleThreadTaskRunner> task_runner,
+                        int severity,
+                        size_t message_start,
+                        const std::string& message);
+
   gpu::SyncPointManager* sync_point_manager() { return sync_point_manager_; }
 
   gpu::gles2::MailboxManager* mailbox_manager() {
     return gpu_channel_manager_->mailbox_manager();
   }
 
   gl::GLShareGroup* share_group() {
     return gpu_channel_manager_->share_group();
   }
 
@@ skipping 81 matching lines @@
   bool in_host_process_ = false;
 
   mojo::BindingSet<mojom::GpuService> bindings_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuService);
 };
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_GPU_GPU_SERVICE_H_