Move mojo/public/c/gpu/* to mojo/public/c/include.

shell/BUILD.gn

Index: shell/BUILD.gn
diff --git a/shell/BUILD.gn b/shell/BUILD.gn
index c87c9e58fbf9a4b6ed88d0083f61995eed90e090..e7aef318097567c356ead0682b1edfe2d48f46aa 100644
--- a/shell/BUILD.gn
+++ b/shell/BUILD.gn
@@ -274,6 +274,7 @@ source_set("native_application_support") {
 
   deps = [
     "//base",
+    "//mojo/edk/system",
     "//mojo/gles2:control_thunks",
     "//mojo/gles2:gles2",
     "//mojo/gles2:mgl",
@@ -287,6 +288,8 @@ source_set("native_application_support") {
   # Suppress include checking so we can still check the rest of the targets in
   # this file.
   check_includes = false
+
+  configs += [ "//mojo/public/c:c_config" ]
 }
 
 if (is_android) {