Revert of Mandoline UI Process: Update namespaces and file names

components/mus/gles2/command_buffer_impl.cc

Index: components/mus/gles2/command_buffer_impl.cc
diff --git a/components/mus/gles2/command_buffer_impl.cc b/components/mus/gles2/command_buffer_impl.cc
index 7944f4c026163597e26d4a00b06fd4db36858c4a..2cc4ca797211a796b84def2e5fb25d189c893110 100644
--- a/components/mus/gles2/command_buffer_impl.cc
+++ b/components/mus/gles2/command_buffer_impl.cc
@@ -11,14 +11,11 @@
 #include "components/mus/gles2/gpu_state.h"
 #include "gpu/command_buffer/service/sync_point_manager.h"
 
-namespace mus {
-
+namespace gles2 {
 namespace {
-
 void RunCallback(const mojo::Callback<void()>& callback) {
   callback.Run();
 }
-
 }  // namespace
 
 class CommandBufferImpl::CommandBufferDriverClientImpl
@@ -170,4 +167,4 @@
   OnConnectionError();
 }
 
-}  // namespace mus
+}  // namespace gles2