gpu: Replace GpuMsg_GpuSwitched with mojom api.

content/browser/gpu/gpu_data_manager_impl_private.cc

Index: content/browser/gpu/gpu_data_manager_impl_private.cc
diff --git a/content/browser/gpu/gpu_data_manager_impl_private.cc b/content/browser/gpu/gpu_data_manager_impl_private.cc
index cdf3e392e9c18041ec067ba2850b7eb2e335c86a..e3322a78337a4fbf0da6402d6e979c96b458e726 100644
--- a/content/browser/gpu/gpu_data_manager_impl_private.cc
+++ b/content/browser/gpu/gpu_data_manager_impl_private.cc
@@ -1028,8 +1028,12 @@ void GpuDataManagerImplPrivate::HandleGpuSwitch() {
   // Notify observers in the browser process.
   ui::GpuSwitchingManager::GetInstance()->NotifyGpuSwitched();
   // Pass the notification to the GPU process to notify observers there.
-  GpuProcessHost::SendOnIO(GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
-                           false /* force_create */, new GpuMsg_GpuSwitched);
+  GpuProcessHost::CallOnIO(GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
+                           false /* force_create */,
+                           base::Bind([](GpuProcessHost* host) {
+                             if (host)
+                               host->gpu_service()->GpuSwitched();
+                           }));
 }
 
 bool GpuDataManagerImplPrivate::UpdateActiveGpu(uint32_t vendor_id,