gpu: Replace GpuMsg_Finalize ipc with equivalent mojom api

content/public/browser/gpu_utils.h

Index: content/public/browser/gpu_utils.h
diff --git a/content/public/browser/gpu_utils.h b/content/public/browser/gpu_utils.h
index 84e78083c3dccf3eb1f99b8fb52db4e2ca629384..cc12e5b0c4617bdae6b85eb5984a76bd7045812c 100644
--- a/content/public/browser/gpu_utils.h
+++ b/content/public/browser/gpu_utils.h
@@ -5,6 +5,7 @@
 #ifndef CONTENT_PUBLIC_BROWSER_GPU_UTILS_H_
 #define CONTENT_PUBLIC_BROWSER_GPU_UTILS_H_
 
+#include "base/callback_forward.h"
 #include "content/common/content_export.h"
 #include "gpu/command_buffer/service/gpu_preferences.h"
 
@@ -12,6 +13,8 @@ namespace content {
 
 CONTENT_EXPORT const gpu::GpuPreferences GetGpuPreferencesFromCommandLine();
 
+CONTENT_EXPORT void StopGpuProcess(const base::Closure& callback);
+
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_GPU_UTILS_H_