Add module suffix in .mojom files for components/arc

chrome/gpu/chrome_content_gpu_client.cc

Index: chrome/gpu/chrome_content_gpu_client.cc
diff --git a/chrome/gpu/chrome_content_gpu_client.cc b/chrome/gpu/chrome_content_gpu_client.cc
index 56d5886a683c6d8b40a87ead1bae4b3cf9c886b4..44fa901b202b4f07a98d686b0bccb97ac0bc0e18 100644
--- a/chrome/gpu/chrome_content_gpu_client.cc
+++ b/chrome/gpu/chrome_content_gpu_client.cc
@@ -14,7 +14,7 @@
 namespace {
 
 void CreateGpuArcVideoService(
-    mojo::InterfaceRequest<::arc::VideoHost> request) {
+    mojo::InterfaceRequest<::arc::mojom::VideoHost> request) {
   // GpuArcVideoService is strongly bound to the Mojo message pipe it
   // is connected to. When that message pipe is closed, either explicitly on the
   // other end (in the browser process), or by a connection error, this object