Provide GpuPreferences to content gpu client hook

content/public/gpu/content_gpu_client.h

Index: content/public/gpu/content_gpu_client.h
diff --git a/content/public/gpu/content_gpu_client.h b/content/public/gpu/content_gpu_client.h
index 3b0095b1f941bafa60f0c9bc41e0cc2082a4408e..d40c8e05e4e6eab2590b88e1825aa9f007149308 100644
--- a/content/public/gpu/content_gpu_client.h
+++ b/content/public/gpu/content_gpu_client.h
@@ -7,6 +7,10 @@
 
 #include "content/public/common/content_client.h"
 
+namespace gpu {
+struct GpuPreferences;
+}  // namespace gpu
+
 namespace content {
 
 class ServiceRegistry;
@@ -19,7 +23,9 @@ class CONTENT_EXPORT ContentGpuClient {
   // Allows client to register Mojo services in |registry| on the GPU process.
   // The registered services will be exposed to the browser process through
   // GpuProcessHost.
-  virtual void RegisterMojoServices(ServiceRegistry* registry) {}
+  virtual void RegisterMojoServices(
+      ServiceRegistry* registry,
+      const gpu::GpuPreferences& gpu_preferences) {}
 };
 
 }  // namespace content