gpu: Replace GpuMsg_Finalize ipc with equivalent mojom api

content/browser/gpu/gpu_process_host.cc

 // Copyright (c) 2012 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/gpu/gpu_process_host.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 182 matching lines @@
     host->Send(message);
   } else {
     delete message;
   }
 }
 
 void RunCallbackOnIO(GpuProcessHost::GpuProcessKind kind,
                      bool force_create,
                      const base::Callback<void(GpuProcessHost*)>& callback) {
   GpuProcessHost* host = GpuProcessHost::Get(kind, force_create);
-  if (host)
-    callback.Run(host);
+  callback.Run(host);
 }
 
 #if defined(USE_OZONE)
 void SendGpuProcessMessageByHostId(int host_id, IPC::Message* message) {
   GpuProcessHost* host = GpuProcessHost::FromID(host_id);
   if (host) {
     host->Send(message);
   } else {
     delete message;
   }
@@ skipping 766 matching lines @@
 
 void GpuProcessHost::ForceShutdown() {
   // This is only called on the IO thread so no race against the constructor
   // for another GpuProcessHost.
   if (g_gpu_process_hosts[kind_] == this)
     g_gpu_process_hosts[kind_] = NULL;
 
   process_->ForceShutdown();
 }
 
-void GpuProcessHost::StopGpuProcess() {
-  Send(new GpuMsg_Finalize());
-}
-
 bool GpuProcessHost::LaunchGpuProcess(gpu::GpuPreferences* gpu_preferences) {
   const base::CommandLine& browser_command_line =
       *base::CommandLine::ForCurrentProcess();
 
   base::CommandLine::StringType gpu_launcher =
       browser_command_line.GetSwitchValueNative(switches::kGpuLauncher);
 
 #if defined(OS_ANDROID)
   // crbug.com/447735. readlink("self/proc/exe") sometimes fails on Android
   // at startup with EACCES. As a workaround ignore this here, since the
@@ skipping 206 matching lines @@
       GetShaderCacheFactorySingleton()->Get(client_id);
   if (!cache.get())
     return;
 
   cache->set_shader_loaded_callback(base::Bind(&HostLoadedShader, host_id_));
 
   client_id_to_shader_cache_[client_id] = cache;
 }
 
 }  // namespace content