mus: More gpu-related renames.

services/ui/ws/gpu_host_delegate.h

Index: services/ui/ws/gpu_host_delegate.h
diff --git a/services/ui/ws/gpu_service_proxy_delegate.h b/services/ui/ws/gpu_host_delegate.h
similarity index 87%
rename from services/ui/ws/gpu_service_proxy_delegate.h
rename to services/ui/ws/gpu_host_delegate.h
index c7b5a94176668172d8075be3f5324715bec1df38..8ff24297285b20e542852f7f26c6efe23ebc3aa0 100644
--- a/services/ui/ws/gpu_service_proxy_delegate.h
+++ b/services/ui/ws/gpu_host_delegate.h
@@ -10,9 +10,9 @@
 namespace ui {
 namespace ws {
 
-class GpuServiceProxyDelegate {
+class GpuHostDelegate {
  public:
-  virtual ~GpuServiceProxyDelegate() {}
+  virtual ~GpuHostDelegate() {}
 
   virtual void OnGpuServiceInitialized() = 0;
 };