content: Use mus client-lib's gpu-service from renderers.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index fa2183bab1c09dd850da18ca0e94e119a202b52d..a1c7b60ce27ea663afe61e9927668fd4093fa1c0 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -71,6 +71,7 @@
 #include "content/browser/frame_host/render_frame_message_filter.h"
 #include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
 #include "content/browser/gpu/compositor_util.h"
+#include "content/browser/gpu/gpu_client.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/gpu/shader_cache_factory.h"
@@ -1286,6 +1287,9 @@ void RenderProcessHostImpl::RegisterMojoInterfaces() {
 
   registry->AddInterface(base::Bind(&device::GamepadMonitor::Create));
 
+  registry->AddInterface(base::Bind(&RenderProcessHostImpl::CreateMusGpuRequest,
+                                    base::Unretained(this)));
+
   registry->AddInterface(
       base::Bind(&VideoCaptureHost::Create,
                  BrowserMainLoop::GetInstance()->media_stream_manager()));
@@ -1333,6 +1337,13 @@ void RenderProcessHostImpl::GetAssociatedInterface(
     listener->OnAssociatedInterfaceRequest(name, request.PassHandle());
 }
 
+void RenderProcessHostImpl::CreateMusGpuRequest(ui::mojom::GpuRequest request) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  if (!gpu_client_)
+    gpu_client_.reset(new GpuClient(GetID()));
+  gpu_client_->Add(std::move(request));
+}
+
 void RenderProcessHostImpl::CreateStoragePartitionService(
     mojo::InterfaceRequest<mojom::StoragePartitionService> request) {
   // DO NOT REMOVE THIS COMMAND LINE CHECK WITHOUT SECURITY REVIEW!