Move bitmap uploader to ui service client lib

services/ui/public/cpp/BUILD.gn

Index: services/ui/public/cpp/BUILD.gn
diff --git a/services/ui/public/cpp/BUILD.gn b/services/ui/public/cpp/BUILD.gn
index c6b4b91ed67349c1f8db53a61320d18fcce6a9d3..fcd6927024bb5a5f2276b4dbbdda3a09b831d74d 100644
--- a/services/ui/public/cpp/BUILD.gn
+++ b/services/ui/public/cpp/BUILD.gn
@@ -4,9 +4,11 @@
 
 source_set("cpp") {
   sources = [
+    "bitmap_uploader.h",
     "context_provider.h",
     "gles2_context.h",
     "input_event_handler.h",
+    "lib/bitmap_uploader.cc",
     "lib/command_buffer_client_impl.cc",
     "lib/command_buffer_client_impl.h",
     "lib/context_provider.cc",
@@ -71,4 +73,6 @@ source_set("cpp") {
   data_deps = [
     "//services/ui",
   ]
+
+  defines = [ "GL_GLEXT_PROTOTYPES" ]
 }