gpu: Replace GpuMsg_Finalize ipc with equivalent mojom api

content/public/browser/gpu_utils.cc

Index: content/public/browser/gpu_utils.cc
diff --git a/content/public/browser/gpu_utils.cc b/content/public/browser/gpu_utils.cc
index 19c6ab65d6297bbf6eeca200f23bed8e0e7037a0..245da16f5a380ddeb9ade1966ba5ed45aeb4c92c 100644
--- a/content/public/browser/gpu_utils.cc
+++ b/content/public/browser/gpu_utils.cc
@@ -5,7 +5,9 @@
 #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"
@@ -24,6 +26,20 @@ bool GetUintFromSwitch(const base::CommandLine* command_line,
   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 {
@@ -116,4 +132,13 @@ const gpu::GpuPreferences GetGpuPreferencesFromCommandLine() {
   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