gpu: Replace GpuMsg_Finalize ipc with equivalent mojom api

content/public/browser/gpu_utils.cc

 // 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.
 
 #include "content/public/browser/gpu_utils.h"
 
 #include "base/command_line.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
+#include "content/browser/gpu/gpu_process_host.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/content_switches.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "gpu/config/gpu_switches.h"
 #include "media/media_features.h"
 #include "ui/gl/gl_switches.h"
 
 namespace {
 
 bool GetUintFromSwitch(const base::CommandLine* command_line,
                        const base::StringPiece& switch_string,
                        uint32_t* value) {
   if (!command_line->HasSwitch(switch_string))
     return false;
   std::string switch_value(command_line->GetSwitchValueASCII(switch_string));
   return base::StringToUint(switch_value, value);
 }
 
+void RunTaskOnTaskRunner(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
+    const base::Closure& callback) {
+  task_runner->PostTask(FROM_HERE, callback);
+}
+
+void StopGpuProcessImpl(const base::Closure& callback,
+                        content::GpuProcessHost* host) {
+  if (host)
+    host->gpu_service()->Stop(callback);
+  else
+    callback.Run();
+}
+
 }  // namespace
 
 namespace content {
 
 const gpu::GpuPreferences GetGpuPreferencesFromCommandLine() {
   DCHECK(base::CommandLine::InitializedForCurrentProcess());
   const base::CommandLine* command_line =
       base::CommandLine::ForCurrentProcess();
   gpu::GpuPreferences gpu_preferences;
   gpu_preferences.single_process =
@@ skipping 72 matching lines @@
       command_line->HasSwitch(switches::kEnableGPUServiceLogging);
   gpu_preferences.enable_gpu_service_tracing =
       command_line->HasSwitch(switches::kEnableGPUServiceTracing);
   gpu_preferences.use_passthrough_cmd_decoder =
       command_line->HasSwitch(switches::kUsePassthroughCmdDecoder);
   // Some of these preferences are set or adjusted in
   // GpuDataManagerImplPrivate::AppendGpuCommandLine.
   return gpu_preferences;
 }
 
+void StopGpuProcess(const base::Closure& callback) {
+  content::GpuProcessHost::CallOnIO(
+      content::GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
+      false /* force_create */,
+      base::Bind(&StopGpuProcessImpl,
+                 base::Bind(RunTaskOnTaskRunner,
+                            base::ThreadTaskRunnerHandle::Get(), callback)));
+}
+
 }  // namespace content